Mr Putin could declare Western arms supplies to Ukrainian forces are an act of aggression that warrant retaliation. https://matzen-larsen.thoughtlanes.net/what-happens-if-the-uk-is-targeted-by-nuclear-weapons-how-britain-would-respond-to-a-russia-attack could threaten to send troops into the Baltic states - which are members of Nato - such as Lithuania, to establish a land corridor with the Russian coastal exclave of Kaliningrad. By early summer Ukraine will be able to use US-made F16 fighter jets for the first time, which it hopes will improve its ability to counter Russian aircraft and strengthen its own air defences.
