Half of the population of the breakaway Nagorno-Karabakh region have been displaced since fierce fighting erupted more than a week ago between Armenian separatists and Azerbaijan Baku and Yerevan have for decades been locked in a simmering conflict over the ethnically Armenian region of Azerbaijan, which broke away from Baku in a 1990s war that claimed the lives of some 30,000 people.
Both sides have defied calls for a ceasefire and accused the other of starting the new clashes that began on September 27 and have seen the heaviest fighting since a 1994 ceasefire.
