A Ukrainian soldier and a member of the so-called self defence force were killed by gunshots in Crimea on Tuesday, local police said.Crimean police said a sniper fired shots in two different directions from an abandoned building close to a Ukrainian military base in the regional capital of Simferopol.The shots also injured two more soldiers, one Ukrainian and the other a self defence force member.The police added that the incident resembled tactics used during the mass unrest in Kiev, when snipers reportedly killed both protesters and police officers. “This might be a planned provocation to destabilise the situation on the day of the signing of Crimea’s accession treaty with Russia,” the Crimean police said on its homepage.