"Kamwina Nsapu militiamen arrived in the administrative center of Lombelu (on Monday) and made a surprise attack on an army combat patrol," Andre Kapiola, Lombelu sector chief in Kasai Central.
"We have collected the bodies of 14 militiamen," Kapiola said, adding that one soldier was also killed.
Violence in the vast Kasai region first erupted after a tribal chieftain known as the Kamwina Nsapu, who rebelled against the regime of President Joseph Kabila, was killed in August 2016.
