 are not safe, and there are numerous accusations levelled at the Israelis that people have been killed or seriously injured trying to make this perilous journey from one place where they've been told to leave. NATO allies have begun to transfer F-16 fighter planes to Ukraine, a move seen as vital to countering Russia's control of the skies. The Alliance's Secretary General, Jens Stoltenberg, said he expected a substantial new aid package to be agreed. Tom Bateman is in Washington.