The Islamic State group has claimed responsibility for mid-March bomb attacks on a courthouse and restaurant in Syria's capital Damascus that killed 32 people.<br/>'<br/>The latest issue of IS's Al-Nabaa magazine, issued yesterday, cited a security source saying a first suicide bomber entered one of the city's courthouses and opened fire before detonating a suicide bomb belt.<br/><br/>The magazine said the second attacker blew himself up in a restaurant, according to the magazine, which is distributed via social media sites.<br/>'<br/>Syria's powerful rebel group Ahrar al-Sham issued a rare statement condemning "in the strongest terms" what it described as "criminal terrorist blasts".