At least 35 people were killed in a wave of car bomb and mortar attacks in mainly Shi’ite Muslim districts of Baghdad on Tuesday, Iraqi police and medical sources said. It was one of the most violent days the capital has witnessed since U.S.-led forces began bombing Islamic State insurgents in Iraq last month. There was no immediate claim of responsibility for the attacks but Islamic State, ultra-radical Sunni Muslim militants who seized swathes of northern Iraq in June, claimed several suicide bombings in the capital earlier this year. Two car bombs exploded in busy streets in the al-Horreyya district, killing 20 people and wounding 35, according to the police and medical sources. There was also a mortar attack in the Sab al-Bour neighbourhood of northern Baghdad that killed five people and wounded 15. Later on Tuesday, at least seven people were killed and 18 wounded […]