Source: BBC News By Fasikaw Menberu & Farouk Chothia BBC Amharic & BBC News An Ethiopian monk, who once carried only the cross and Bible in a land famous for its rock-hewn churches, is now picking up a rifle to march into battle against Tigrayan rebels in a war that is tearing the nation – and the Orthodox Christian Church – apart. “I fight with both of them – the prayer and the bullet,” said Father Gebremariam Aderaw. The monk, whose name means “servant of Mary”, signed up to join the Ethiopian military, weeks after Prime Minister Abiy Ahmed called…