Attackers slit the throats of two U.S. soldiers while their vehicle was stopped in traffic on Sunday in the center of the northern Iraqi city of Mosul, witnesses said. A spokesman for the U.S. 101st Airborne Division, based in Mosul, confirmed two soldiers had been killed in central Mosul but had no further details. U.S. soldiers surrounded the vehicle, a white four-wheel-drive car, and interrogated Iraqis in the area, the witnesses said. The attack brought to 184 the number of U.S. soldiers who have been killed in action since Washington declared major combat in Iraq over on May 1. The U.S. command in Baghdad said it had no information on the incident. But U.S. officials have warned of more attacks against coalition forces as the Islamic holy month of Ramadan nears its end Tuesday. In political developments, a spokeswoman with Iraq's Governing Council said the body has chosen an Iraqi-American woman and veteran lobbyist, Rend Rahim Francke, as its ambassador to the United States. Jets bombed areas around the city of Samara, about 75 miles north of Baghdad, according to the witnesses. The U.S. military did not immediately confirm the strikes. But coalition aircraft and artillery have targeted suspected resistant areas for the past two weeks as part of their offensive against guerrillas in central and northern Iraq. **PHOTO CAPTION*** An Apache helicopter patrols the area in Saddam Hussein 's hometown of Tikrit, north of Baghdad, Sunday, Nov. 23, 2003. The US military has been cracking down on resistants amid attacks on the American-led coalition forces in the area.