JOS, Nigeria (AFP) - Clashes between Muslim and Christian ethnic groups in central Nigeria Thursday caused enormous destruction, with a number of people dead and houses burned, a military officer said. Captain Charles Ekeocha said the army had imposed a 24-hour curfew on the Barkin Ladi area of Plateau state after the clashes, the latest in a series of violent incidents between the two communities. Lives have been lost, houses have been burned, he said, adding that exact details were not known but the loss is enormous.