Theresa May's warning to EU over security: Blackmail or bluff?

UK's main intelligence partnerships are outside the EU and will not be formally affected by Brexit

In her letter to Donald Tusk triggering Article 50 and formally registering the UK’s intention to withdraw from the EU, Theresa May signalled that a failure to reach an agreement with the EU on trade could damage the UK’s security relationship with Europe in the future. May warned: “In security terms a failure to reach agreement would mean our cooperation in the fight against crime and terrorism would be weakened.” But how serious, and indeed, how realistic is this threat?

The UK’s main intelligence partnerships are outside the EU and will not be formally affected