Iraqi officials say the death toll from back-to-back market bombings carried out by the Islamic State group the previous day in eastern Baghdad has climbed to 73.<br /><br />Police and health officials say several of the critically wounded died overnight while 112 people remain in hospital.<br /><br />Also, at least five people are still missing after Sunday's blast ripped through the crowded Mredi market in the Shiite district of Sadr City, followed by a suicide bombing amid the crowd that gathered at the site.<br /><br />Three medical officials confirmed latest death toll and number of wounded. All officials spoke on condition of anonymity because they aren't authorized to talk to reporters.<br /><br />The Islamic State group, which controls key areas in northern and western Iraq, has claimed responsibility for the bombings.