Special report:Tension escalates in Iraq
FALLUJAH, Iraq, March 28 (Xinhua) -- Two suicide car bombs, including a truck carrying Chlorine toxic gas, struck a U.S. base in Fallujah City, 50 km west of Baghdad, on Wednesday, killing eight Iraqi policemen and wounding more than 20 others, local police said.
A suicide bomber drove an explosive-laden car into the checkpoint on the main gate of a U.S. military base in central city and blew it up at about 9:00 a.m. (0600 GMT), the source told Xinhua on condition of anonymity.
Few minutes later, another suicide bomber drove a booby-trapped truck carrying Chlorine gas into the same entrance to the base and blew it up, causing a powerful explosion and sending a cloud of toxic gas, the source said.
A total of eight policemen were killed at the checkpoint and at least 20 others were wounded, he said, adding that there was undetermined number of U.S. soldiers killed or wounded but he couldn't give exact number.
The U.S. troops cordoned of the scene while U.S. helicopters flew over the area, he said.
Insurgents launched several chlorine attacks as a new tactic to confront the ongoing U.S. and Iraqi security crackdown aimed at curbing insurgency and quell violence in the war-torn country.
The Sunni-dominated Fallujah has frequently witnessed insurgent attacks against the U.S. and Iraqi government forces despite U.S.-Iraqi military operations in the city to stamp out insurgency and hunting foreign fighters.