reportedly carried out by a group linked to al-Qaeda kills three and injures more than 20 people in Baghdad. March 10 – At least 47 people are killed by a suicide bomber who blows himself up at a Shia funeral service in the northern city of Mosul. March 20 – A gun battle between Iraqi insurgents and US troops near Baghdad leaves 24 rebels dead. Earlier, a suicide bomber kills the head of the police anti-corruption department in the northern city of Mosul. Insurgents then attack his funeral, killing at least two other people. April April 2 – The Battle of Abu Ghraib was an attack on US forces at Abu Ghraib prison, which consisted of heavy mortar and rocket fire, under which armed insurgents attacked with grenades, small arms, and two vehicle-borne improvised explosive devices (VBIED). April 6 – Jalal Talabani is elected President of Iraq by the Iraqi National Assembly, becoming the first President elected under the country's new Constitution. April 9 – Tens of thousands of demonstrators loyal to Shiite cleric Muqtada Sadr march through Baghdad denouncing the US occupation of Iraq, two years after the fall of Saddam Hussein. Also insurgents kill 15 Iraqi soldiers traveling in a convoy south of Baghdad. April 14 – Two car bombs kill 18 in Baghdad neighborhood. April 15 – At least four people are killed in bombings in the Iraqi city of Samarra and in the capital Baghdad. April 16 – Three American soldiers are killed when a Marine base comes under indirect fire near Ramadi, west of Baghdad. April 17 – A roadside bomb near the central city of Samarra kills two Iraqi soldiers. Also other bombs kill an American soldier and two civilians. April 18 – Iraqi security forces numbering in the hundreds launch an operation to "root out" Sunni insurgents at the tip of Iraq's "Triangle of Death". In Baghdad, gunmen ambush a senior Defence Ministry adviser, Major General Adnan al-Qaraghulli, killing him and his son. April 19 – Two American soldiers are killed and four wounded in a car bombing. Another suicide car bomb outside an Iraqi army recruitment center and other attacks in the country kills a dozen people and wounds more than 50. April 20 – Iraq's prime minister Iyad Allawi escapes an assassination attempt when a suicide bomber in a car attacks his convoy near his home. The attack kills two policeman