Nigeria, April 25 -- The police in Rivers State, South-south Nigeria, said some yet-to-be-identified gunmen have killed of their officers, Sunday Baba.

Mr Baba, a police inspector, who served at Rumuolumeni area of the state lost his life on duty on Wednesday, the police in Rivers State said in a brief update posted on the state command's X handle on Thursday.

"It's sad that being a police officer means leaving home in good health, never certain of your return," the command said without providing details of how the operative was killed.

The incident is one of the many attacks on police operatives by gunmen in the oil-rich state.

The killing occurred two months after another operative was killed by gunmen while conducting a stop and se...