Armenia says more than 6,500 people have fled across the border, amid fears of persecution and ethnic cleansing. Now, there are reports of a large explosion at an oil depot as people queued up to fill up their cars to leave. Its believed some 200 people were injured as a result. The territory is at the heart of one of the worlds longest running territorial and ethnic conflicts. Its recognised internationally as part of azerbaijan, but has been controlled by Ethnic Armenians for three decades. Bbc russian s Nataliya Zotova sent this report from goris near the border between armenia and Nagorno Karabakh. The exodus of refugees started late sunday night. Some arrived in the border town of goris in ambulances exhausted, too weak to walk on their own. With a few belongings they could transport, families that crossed had lost all hope of ever returning. Translation we went to the airport. Everyone was collected in one spot. Everyone was in a terrible state. Stressed out. Children crying. Old