Ukraine has had the uppoer hand in the Black Sea. But conceding to to this US-brokered deal will win Kyiv important credit from the Trump administration.

Ukrainian public attitudes about having nuclear weapons have shifted significantly in 30 years. Kyiv may consider setting up a nuclear programme.

Through careful telephone diplomacy, the Ukrainian president is exposing Putin’s disinterest in stopping hostilities.

The Russian president set harsh conditions on Ukraine and offered little in return.

Denying access to intelligence sharing and satellite information could lead to an existential crisis for Ukraine.

Vladimir Putin will now have to weigh up how to maintain a reset with the US while also pressing for more military success on the battlefield.

European nations have some areas of strength in intelligence gathering, but will need to ramp up their efforts to plug the gap left by the US.

Donald Trump’s telephone diplomacy under the microscope. Also the latest on the war in Gaza.

Vladimir Putin wants a few matters cleared up before he will agree to a ceasefire.

US foreign policy is forcing a security rethink, particularly in Europe.