The Russian military conducts drills simulating conflict situations near the shared border with Ukraine.<br/> <br />These scenes were filmed on Friday.<br/> <br />They've been holding exercises there since April at the beginning of the conflict in eastern Ukraine between government forces and pro-Russian separatists.<br/> <br />NATO members in the west of the country have also held drills in a show of support for Kiev.<br/> <br />Nearly 4,000 people have been killed in the conflict in eastern Ukraine.<br/> <br />A ceasefire's been in force since September but there have been isolated flareups of fighting.