Nigeria, April 29 -- The police in Delta State, South-south Nigeria, say they have arrested an officer filmed extrajudicially killing a handcuffed man in the state.

The police spokesperson in Delta State, Bright Edafe, disclosed this in a statement on Tuesday.

A human rights activist, Harrison Gwamnishu, uploaded a disturbing video clip on Tuesday showing a handcuffed man surrounded by armed police operatives attached to the Effurun Division in Delta State.

In the now-viral clip seen by PREMIUM TIMES, the man was heard assuring the operatives that he would tell them "everything."

"I will tell you everything. My friends deceived me," the man was heard saying repeatedly while seated on the ground.

While he pleaded for the opportunity t...