Violence flared Sunday in the capital of the Democratic Republic of Congo as what officials are calling a coup attempt crumbled, leaving the purported leader of the attempt dead, according to reports. Army spokesman Sylvain Ekenge said Christian Malanga, a Congolese politician based in the U.S., was killed after he led the attempted coup in the capital of Kinshasa. About 50, including three Americans, were arrested and are being interrogated, Ekenge said, according to Reuters. He said the coup was “nipped in the bud by Congolese defense and security forces (and) the situation is under control,…