Chinese President Hu Jintao on Wednesday sent a message to his Armenian counterpart Robert Kocharyan, expressing sincere condolences to the relatives of those killed in a jet crash early Wednesday morning.

An Airbus A-320 of the Armenian airline belonging to the air company Armavia went down into the Black Sea near the southern Russian resort town of Sochi at about 2:15 a.m. Moscow time (2215 GMT Tuesday), killing all 113 people on board, including six children and eight crew.

Bad weather conditions were responsible for the air tragedy.