Russia has imposed a “counter-terrorism operation” regime in three regions to try to halt a surprise cross-border incursion by Ukrainian troops. This comes as the Ukrainian offensive into the Kursk region is now in its fifth day. Kyiv has not openly admitted the incursion. Reports say Ukrainian troops are threatening to seize one regional town as they fight more than 10km (six miles) inside Russia. The authorities now have powers to enter private homes, restrict the movement of traffic and pedestrians, order the temporary relocation of people and monitor information sent electronically. Has Ukraine turned to a terrorism organization ?