More than 20 people have been killed in anattack on Muslims in the northern Ethiopian city of Gondar during the funeral of a Muslim elder, a local Islamic group said on Wednesday. The Islamic Affairs Council of Amhara, the region where Gondar is located, described Tuesday’s attack at a cemetery as a “massacre” by heavily-armed “extremist Christians”. The attackers “fired a barrage of heavy machine guns and grenades… leaving many dead while others who were injured have been taken to hospital,” the religious body said. “More than 20 have died due to yesterday’s attack which also saw the lootin…