Russian forces are gathering in even greater numbers near Ukraine's capital - with satellite images showing a 40 mile convoy of military vehicles near Kyiv.
A military base on the edge of the city's also been targeted with airstrikes overnight.
Meanwhile, Boris Johnson's visiting neighbouring countries later - he's urging western unity against Russia.
The Prime Minister's heading to Poland and Estonia, where he'll insist Vladimir Putin must 'feel the consequences'.
Ukraine's president's encouraging people from around the world to come and join the fight.
Leon Dawson is from Surrey, he has no combat experience, but he's about to answer the call.