Originally published by the Voice of America (www.voanews.com). Voice of America is funded by the US Federal Government and content it exclusively produces is in the public domain. 6 US Marines Killed in Iraqi Operations --------------------------------------- (http://enews.voanews.com/t?ctl=F498BC:3919ACA Marines killed in two roadside bomb explosions in western Iraq U.S. Marines and soldiers look at a large weapons cache that was discovered buried in the courtyard of a large Sunni mosque in Haditha, IraqU.S.-led anti-insurgent operations are continuing in western Iraq, in an effort to prevent attacks on voters in the lead-up to next week's constitutional referendum. The U.S. military reports Friday six Marines were killed Thursday in two roadside bomb explosions in the area of operations along the Euphrates River. Officials also report air strikes Wednesday on a building used by al-Qaida terrorists in the same area killed 20 suspected terrorists. Nine other insurgents were killed in two other incidents. Meanwhile, in the southern city of Basra, British officials say they have detained 12 people, including members of the local police force. They are suspected of involvement in a surge of attacks on British forces in the area. .