By Nataliya Vasilyeva and Valerie Hopkins Tit-for-tat moves this week included the use of American-made ballistic missiles to strike inside Russia, and new nuclear threats from Moscow. Neither ...

former Ukrainian foreign minister Dmytro Kuleba has said. Meanwhile, reports suggest Russia has fired 60 North Korean missiles during the conflict.

Military analyst Sean Bell is with us for the next hour answering your questions on the war in Ukraine. Submit your question in the form below.