Two US soldiers were killed Wednesday in separate attacks in Iraq, the military said. A rocket-propelled grenade killed one Multi-National Division - North soldier and wounded three others while they were conducting patrols in the northwestern city of Mosul, the military said. The US military has said Mosul is the last urban stronghold of al-Qaida in Iraq. The three wounded soldiers were transported to a US medical facility, according to a brief statement. A roadside bomb killed a soldier assigned to Multi-National Division - Center, which is responsible for territory south of Baghdad, according to a separate statement. It did not give a more exact location. The deaths raised to at least 3,965 members of the US military who have died since the Iraq war started in March 2003, according to an Associated Press count.