satellite images from this week showing the extent of russia's build—up. in crimea, western russia and belarus. washington saying, again, that the danger is real and imminent. as we said before, we are in a window when an invasion could begin at any time. and to be clear, that includes during the olympics. across eastern europe, more gestures of support for anxious allies, 350 royal marines arriving in poland yesterday, not a permanent deployment but part of an effort by nato to reassure its members. the prime minister in warsaw is still urging russia to end its coercive behaviour. poland and the uk won't accept a world in which a powerful neighbour can bully or attack their neighbours. russia says it has no plans or desire to attack. more ships arriving in the crimean port of sebastopol all part, it says, of naval drills.