US officials say Ukraine would get NATO-style guarantees in American peace deal

Donald Trump welcomes Ukraine's President Volodymyr Zelenskyy

Donald Trump (left) has been pushing Volodymyr Zelenskyy to accept a peace agreement.   (Reuters: Jonathan Ernst)

In short:

White House officials say that under a US-led peace deal, Ukraine would get security guarantees similar to those afforded NATO members. 

Marathon talks have been held in Berlin between envoys from the US and Ukraine, as allies try to broker an agreement to end the conflict between Kyiv and Moscow.

Ukraine's domestic security service has announced it has struck a Russian submarine in the Black Sea.