BAGHDAD , Iraq ( CNN ) -- A roadside bomb attack on Monday killed two U.S. soldiers in Baghdad , the U.S. military said . U.S. troops patrol near a checkpoint in Baghdad last week . Another soldier was wounded in the attack and taken to a combat support hospital , according to military spokesman Lt. David Russell . The deaths follow an incident Saturday in which a U.S. soldier died and two others were injured when their vehicle rolled over at a forward operating base near Balad , north of Baghdad , Russell said . July marked the lowest monthly toll of the war , with 11 U.S. troop deaths -- six killed in hostilities and five dying from causes not related to combat , according to a CNN count of figures released by the Pentagon . With the three deaths in August , 4,130 U.S. military personnel have died since the Iraq war began in 2003 . Other developments . • A roadside bomb targeting an Iraqi army patrol detonated Monday morning on Palestine Street in eastern Baghdad , killing two people and wounding 15 , an Iraqi Interior Ministry official said . The deaths include one Iraqi soldier , while nine Iraqi soldiers were among the wounded . • Also on Monday morning , a roadside bomb detonated near an Iraqi police patrol in the southern Baghdad district of Dora , wounding two people , including one policeman , the ministry official said . • Late Sunday , a parked car bomb exploded outside a coffee shop in Hilla , a Shiite city about 62 miles south of Baghdad , killing one civilian and wounding 12 , the ministry official said . • U.S. soldiers and Iraqi police on Sunday detained a `` special groups '' criminal in southern Baghdad 's Rashid district , according to the U.S. military . `` Special groups '' is the term the U.S. military uses to describe Iranian-backed militias operating in Iraq . The military said the suspect was detained for `` allegedly committing acts of violence against Iraqi security and coalition forces . '' • U.S. soldiers and Iraqi security forces uncovered several weapons caches in Baghdad on Sunday , including various mortar rounds and a rocket-propelled grenade launcher , the U.S. military said Monday . Some of the mortar rounds were handed over to coalition soldiers by `` Sons of Iraq '' members , who are predominantly Sunni groups that have turned against al Qaeda in Iraq . • U.S. and Iraqi soldiers uncovered a weapons cache on Friday near Mahmoudiya -- about 35 km southwest of Baghdad -- that included a 100-pound bag of C-4 explosive , four wired blocks of C-4 , and various weapons and ammunition , the military said Monday . Iraqi soldiers detained three men who had the cache . CNN 's Mohammed Tawfeeq contributed to this report .
NEW : Deaths in Monday bombing bring August U.S. death toll in Iraq to three . Roadside bombs in Baghdad targeting police , civilians ; two killed , 11 injured . Car bomb near a shop in Hilla kills one , wounds 12 . U.S.-led forces capture eight , including alleged al Qaeda in Iraq regional leader .