actor1: MEND: Movement for the Emancipation of the Niger Delta
actor2: Police Forces of Nigeria (1999-2015)
notes: MEND gunmen kill four police and four soldiers on patrol on the Nembe River in the southern portion of the state.
target_text: actor1: MEND: Movement for the Emancipation of the Niger Delta, actor2: Police Forces of Nigeria (1999-2015)