hundreds of yazidis released by isil in northern iraq. joining the fight against boko haram, chad sense troops to cameroon to help combat the armed group. >> thousands rally for peace in ukraine as fighting between the army and pro-russian rebels intensifies in the east of the country. >> we'll begin with more breaking news out of libya where the self declared government in tripoli says it will not attend u.n. backed talks in geneva next week but is willing to negotiate if those talks are moved to libya. the rival eelected government has declared a ceasefire while the tripoli based government declared one friday. in the last three months, heavy fighting between militia's has killed 600 people. >> we are joined now from