A FURTHER seven people, including two policemen, have been killed in fresh clashes between members of the OPC, a militant Yoruba nationalist group, and Ijaw youths in Lagos, reports said on Thursday. Weekend communal clashes between Ijaws and members of the Odua Peoples Congress (OPC) claimed at least 12 lives, the local Guardian newspaper reported. On Tuesday, 56 suspects were arraigned before a Lagos court following the communal clashes in Ajengule, between the immigrant ethnic Ijaws from the oil-producing Niger Delta and OPC members.