Iraqis began celebrating the end of the Muslim holy month of Ramadan on Monday, but celebrations were subdued by tight U.S. security after the grisly killings of American soldiers at the weekend. Thousands of Sunni Muslims gathered at dawn at Baghdad’s Abu Hanifa mosque, one of Sunni Islam’s holiest shrines, to pray and participate in the Eid al-Fitr, the festival that marks the end of a month of dawn-to-dusk fasting. Overhead, U.S. military helicopters circled low, keeping watch over the city following a series of small explosions on Monday morning and amid generally intense security after three U.S. soldiers were killed in two separate attacks on Sunday. Full Story