Iran\\\'s ambassador to Baghdad says Iraqi security forces have arrested all those behind last week\\\'s deadly attack on Iranian gas technicians. Hassan Danayeefar added that the 9 terrorists have all confessed to their crime. Last week, masked gunmen attacked workers at a gas pipeline project stretching from Iran into Iraq, killing 16 Iranian nationals. Violence in Iraq has hit a five-year high since the beginning of this year. The United Nations estimates that at least eight-thousand people have been killed in 2013. Show Less >>