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Janina Dill

@janinadill

Professor of Global Security at Oxford, Co-director of ELAC (IHL, Law & Ethics of War, Attitudes toward Violence)

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23.08.2023
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Latest posts by Janina Dill @janinadill

And a Master in Public Policy, though from well before my time, so I claim no credit whatsoever. :)

05.03.2026 09:00 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
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Is the UK's intervention in Iran war legal? Starmer said Britain would intercept Iranian missiles and allow US to use its bases in defensive action. Does that make the UK complicit in an illegal war?

Excellent explainer with analysis from @janinadill.bsky.social, @oonahathaway.bsky.social, @adhaque.bsky.social, Ben Saul, and Marko Milanovic:
www.middleeasteye.net/explainers/u...

04.03.2026 21:49 πŸ‘ 29 πŸ” 9 πŸ’¬ 0 πŸ“Œ 2
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Is the UK's intervention in Iran war legal? Starmer said Britain would intercept Iranian missiles and allow US to use its bases in defensive action. Does that make the UK complicit in an illegal war?

British PM Starmer says that U.K. bases will only be used for ’defensive’ operations and not β€˜offensive’ ops. But how can that be so when they are being used by the aggressor?
Great discussion here with Milanovic, @adhaque.bsky.social @janinadill.bsky.social
www.middleeasteye.net/explainers/u...

04.03.2026 22:49 πŸ‘ 13 πŸ” 11 πŸ’¬ 0 πŸ“Œ 0
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πŸ“£ Reminder: Join us on 12 March (16–18h) at the Paulinum, Leipzig, for our panel β€œPeace and Security in Times of Hybrid Threats.”

πŸ—£οΈPanel:
Dr. Astrid Irrgang (ZIF)
Prof. Dr. @janinadill.bsky.social (ECLAC)
Oberst i.G. Katharina Benford (BAKS)
Ulrich HΓΆrning, Mayor of Leipzig

German and English!

04.03.2026 08:39 πŸ‘ 1 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Thanks for flagging this issue @antjewiener.bsky.social !

03.03.2026 09:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The Legality of the UK Interception of Iranian Missiles and Permitting a Limited US Use of British Bases The UK government has been careful in not directly supporting the ongoing US-Israeli use of force against Iran. This is at least partly because (I’m sure) the internal view within the government is th...

This is my only disagreement with this excellent post by Marko Milanovic here on
@ejiltalk.bsky.social

www.ejiltalk.org/the-legality...

03.03.2026 09:30 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Disproportionate self-defence is a violation of int. law that affords implicated third states a right of self-defence. It does not justify the use of further force by the original aggressor, if ceasing the aggression is the most apt means to end disproportionate defensive force.

03.03.2026 09:30 πŸ‘ 7 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0

No use of force on the part of the United States in support of the Gulf states passes the necessity test that all actions in self-defence are subject to, since the United States could (and must) first and foremost cease its illegal aggression.

03.03.2026 09:30 πŸ‘ 6 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0

The UK's legal position on the use of its bases in the Middle East is solid with one glaring hole: The US cannot act in collective self-defence with the Gulf States. It is the aggressor. Ergo the UK cannot assist the US in collective self-defence.

03.03.2026 09:27 πŸ‘ 33 πŸ” 21 πŸ’¬ 3 πŸ“Œ 2
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Rousing speeches on European assertiveness & middle powers countering hard power do not a viable foreign policy make, it turns out.

European, EU & Canadian responses to the US/Israeli aggression against Iran are short-sighted and help weaken the legal rules these countries depend on.

28.02.2026 15:58 πŸ‘ 13 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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Winter 2026 issue preview @intsecurity.bsky.social!
R. Krebs| why populists love dead soldiers
@janinadill.bsky.social et al. | local consent for military interventions
@lmaschmeyer.bsky.social | AI & cyberattacks
Brenner | AI & strategic surprise
@johnseverini.bsky.social & Biddle | naval warfare

25.02.2026 22:35 πŸ‘ 9 πŸ” 5 πŸ’¬ 0 πŸ“Œ 2

Thanks so much @vukusiciva.bsky.social! πŸ™ (We would have needed another 5 hours to be honest.)

19.02.2026 09:39 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
A Report Card on the Laws of Armed Conflict (ABILA Webinar)
A Report Card on the Laws of Armed Conflict (ABILA Webinar) YouTube video by ABILA

I'll be watching this today as I missed it when it was live, and some of the commentators are always excellent, like @janinadill.bsky.social. Do take a look. #IHL #InternationalLaw
www.youtube.com/watch?v=WzLS...

19.02.2026 07:03 πŸ‘ 9 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1

I mean smudged make-up is way down the list of issues :)

19.02.2026 09:35 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Exactly this...though I look a bit different doing it 😬

19.02.2026 09:34 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Watch the recording of our Conversation on Security and Accountability in a Disintegrating Legal Order at the Munich Security Conference

here: securityconference.org/msc-2026/oef...

16.02.2026 13:42 πŸ‘ 8 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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πŸ“£ Join us on 12 March (16–18h) at the Paulinum, Leipzig, for our panel β€œPeace and Security in Times of Hybrid Threats,” held in the context of the AFK Conference.

πŸ—£οΈPanel:
Dr. Astrid Irrgang (ZIF)
Prof. Dr. @janinadill.bsky.social (ECLAC)
Oberst i.G. Katharina Benford (BAKS)

German and English!

12.02.2026 14:05 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

With: H.E. Espen Barth Eide (Minister of Foreign Affairs of Norway), Judge Silvia FernΓ‘ndez de Gurmendi (former President of the International Criminal Court and myself, moderated by Professor Christoph Safferling (Head of the Nuremberg Principles Academy)

12.02.2026 07:44 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

We need to discuss at #MSC2026 why the rule of international law is without alternative for stable global security. How can we rise to the urgency of the moment?

Co-hosts: The International Nuremberg Principles Academy and the @blavatnikschool.bsky.social, University of Oxford.

12.02.2026 07:44 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Let’s talk about International Law at the Munich Security Conference!

β€œA Conversation on Security & Accountability in a Disintegrating Legal Order”

When: Friday 13 February at 10:30-11:15 am
Where: Dachgarten Lounge, Hotel Bayrischer Hof

Live-streamed on the @munsecconf.bsky.social website

12.02.2026 07:44 πŸ‘ 8 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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12.02.2026 07:08 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

A pleasure to work with the European Nuclear Studies Group on what Europe can do to secure nuclear deterrence.

The danger: when every option has huge costs & risks political incentives are not do anything at all.

But staying the course is no option at all.

securityconference.org/en/publicati...

12.02.2026 07:08 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Thank you Patricia. I hope you are well!

05.02.2026 07:45 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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What can we learn from the situation in Venezuela? - Foreign Affairs Committee YouTube video by UK Parliament

Here is the link on Youtube www.youtube.com/live/nP3KkQH...

03.02.2026 15:36 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Shout out to @atzanakopoulos.bsky.social for bringing his a-game of explaining international law.

03.02.2026 13:30 πŸ‘ 4 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I had the opportunity to speak to the House Foreign Affairs Committee about the illegal US intervention in Venezuela.

The UK must decide between "leading on international law" and "the special relationship", if the latter is a reflexive support of now legally unconstrained US Foreign Policy.

03.02.2026 13:23 πŸ‘ 27 πŸ” 10 πŸ’¬ 3 πŸ“Œ 0
Validate User

I think this link should work. Thanks for your interest in teh paper. academic.oup.com/jpr/advance-...

22.01.2026 09:20 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

3 years into the war, Ukrainians' resistance territorial concessions has weakened slightly (compared to 07/2022 when we first ran this experiment), but they STILL categorically resist Russian control.

New paper with @marniehowlett.bsky.social & @carlmc.bsky.social

academic.oup.com/jpr/advance-...

22.01.2026 09:20 πŸ‘ 10 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0
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If you are in Oxford, join us next Monday when Professor Eugene Rogan and I will be in Conversation with Omer Bartov about his new Book.

Registration required, link below: www.bsg.ox.ac.uk/events/conve...

14.01.2026 13:12 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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In conversation with Omer Bartov Join Professor Omer Bartov in conversation with Professor Eugene Rogan and Professor Janina Dill about his new book Israel: What Went Wrong?.

EVENT: In conversation with Omer Bartov

Join Omer Bartov, Professor of Holocaust and Genocide Studies, in conversation with Profs Eugene Rogan and
@janinadill.bsky.social, about his new book 'Israel: What Went Wrong?'.

πŸ“† 19 January, 5pm, in person only

Register ⬇️
www.bsg.ox.ac.uk/events/conve...

12.01.2026 16:39 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0