ABUJA, Ramadan 16, 1437, June 21, 2016, SPA -- Nigeria has agreed a one-month ceasefire with militants including the Niger Delta Avengers in the oil-producing southern region, a petroleum ministry official said on Tuesday, according to Reuters. Militant groups including the Avengers, who have claimed responsibility for a string of attacks on oil and gas facilities in recent weeks, could not immediately be reached for comment. --SPA 14:17 LOCAL TIME 11:17 GMT www.spa.gov.sa/w