Chief of staff of Malian transitional president killed in southwestern Mali attack

BAMAKO, April 20 (Xinhua) -- The chief of staff of Mali's transitional president was killed in an ambush in southwestern Mali, said a statement from the Presidency of Mali Thursday.

According to the statement, the delegation of social works of the president of the transition was the victim of an ambush in a locality near Nara, in which four people were killed, including Adjudant Oumar Traore, chief of staff of the transitional president.