It will be months, at least, before F-16s are flying over Ukraine, but the US is expanding patrol flights by the fighter jet right up to the Ukrainian border after debris following a Russian drone attack appeared to have fallen into neighbouring Romania this week. After a diplomatic mission to Kyiv, secretary of state Antony Blinken said the US would send additional rotations of its F-16s to a Nato mission to secure the airspace of Romania, a member of the military alliance.The new commitment was announced after a...