Ukraine Launches Anti-Terror Operation to Retake Slaviansk Following Helicopter Pilot's Death

Ukraine's government has launched an "anti-terror" operation to retake the town of Slaviansk, after a helicopter pilot had been killed. Four people have been arrested after two helicopters were shot down by pro-Russian gunmen in the eastern city. In a statement on their website, the Ukrainian Ministry of Defence said: "In the result of events within the anti-terror operation at the block-post near Slavyansk there are [arrests of] four persons who allegedly shot down helicopters from PZRK." Report by Sarah Kerr.