CNN -- U.S. and Iraqi troops killed more than 100 insurgents last week in Ramadi, west of Baghdad, a U.S. Army officer said Monday. Two Iraqis also died in the fighting, said Col. John Gronski, commander of the U.S. Army's 2nd Brigade Combat Team of the 28th Infantry Division. No Americans were killed. Gronski said Iraqi forces "are doing very well" in the battle against insurgents in the volatile Anbar province city. "The Iraqi army is conducting aggressive operations here based on human intelligence from the people of Ramadi themselves," he said. Gronski said the Iraqi soldiers' improved capability has bolstered the morale of U.S. troops working with them. U.S.-led coalition and Iraqi forces are trying to shut down insurgent supply routes into the area, setting up checkpoints and sometimes closing streets, he said. Gronski said an airstrike was called Sunday after coalition forces noticed insurgents removing weapons from a train station in the southeastern part of the city.