looking ahead to the debate and election day. the so-called green on blue attacks in afghanistan may be escalating. an afghan believed to be a police officer opened fire and killed three u.s. marines in the helmand province on friday. it was the second attack on nato troops in less than 24 hours. friday, three american soldiers were killed by a man in an afghan military uniform. rescue teams are combing through the rubble, searching for signs of life after two earthquakes jolted northwest iran. at least 180 people were killed and more than 1300 injured when the quakes shook the province. four villages were reportedly leveled. 60 others severely damaged. [ speaking foreign language ] clinton says the u.s. will develop a contingency plan with turkey for syria as rebels fight a bloody war. turkish officials said they are frustrated by what they see as a lack of u.s. support. the opposition says 80 people were killed in syria today. louisiana officials are trying to find ou