AP Via Yahoo:

A huge bomb explosion followed by a hail of gunfire and grenades killed five U.S. soldiers, the military said Friday. The attack came as the Pentagon tallied up the deadliest three-month period for Americans since the war began.

Seven soldiers were wounded in the attack Thursday in the Rasheed district, a mixed Sunni-Shiite area of southern Baghdad where U.S.-led forces recently stepped up pressure on extremists. The commander of U.S. forces in Baghdad suggested the ambush could be part of an escalating backlash by Sunni insurgents.

Those deaths brought to 99 the number of U.S. troops killed this month, according to an Associated Press count. The toll for the past three months — 329 — made it the deadliest quarter for U.S. troops in Iraq since the March 2003 invasion. That surpasses the 316 soldiers killed during November 2004 to January 2005. Read more...