An UK-EU defence deal is back on agenda: what could it look like?

It's easy to forget that an EU-UK treaty on defence and security policy, as part of London's departure from the bloc, was on the table until the latter stages of the Brexit negotiations.

That idea, initially proposed by prime minister Theresa May but quickly dumped by her successor Boris Johnson in 2019, is now back on the agenda — though MEPs and diplomats were cagey on what it might look like at a hearing in the European Parliament's foreign affairs committee earlier this week.