Abuja: Gunmen killed four Nigerian policemen in the oil-producing southern Niger Delta on Monday, police said. Updated Tue, May 10th 2016 at 09:43 GMT +3Gunmen killed four Nigerian in an ambush in the Okobie community. Crude oil sales account for around 70 percent of national income in Nigeria but there has not been much development in the poor Delta swampland. The officers were ambushed in the Okobie community while traveling to Yenago, the capital of Bayelsa state, police spokesman Ahmad Mohammad said. President Muhammadu Buhari has extended a multi-million dollar amnesty signed with militants in 2009 to stop them attacking oil facilities but upset them by ending generous pipeline protection contracts.

Source: Standard Digital May 10, 2016 01:14 UTC