In this handout video grab released by Russian Defence Ministry, Russian servicemen board an Ilyushin Il-76 transport plane heading to Nagorno-Karabakh, at Ulyanovsk-Vostochny airport in Ulyanovsk, Russia. Russian peacekeeping troops deployed to the mountain enclave of Nagorno-Karabakh on Tuesday as part of a ceasefire deal designed to end six weeks of heavy fighting between Azerbaijan and ethnic Armenian forces. Editorial use only, no archive, no commercial use.