Washington: US Special Representative for Afghan Reconciliation, Zalmay Khalilzad said that the Islamic State (IS) terror group had conducted two deadly attacks in Afghanistan earlier this week, which killed more than 50 civilians. "The USG has assessed ISIS-K conducted the horrific attacks on a maternity ward and a funeral earlier this week in Afghanistan," Khalilzad tweeted on Thursday, adding that the terrorist group opposes a peace agreement between the Afghan government and the Taliban, reports Xinhua news aegncy. An attack on a maternity hospital in capital Kabul killed 24 civilians and injured 16 others on Tuesday, while a suicide bomb explosion targeting a funeral in eastern Nangarhar province killed 32 people and wounded 103 others. The Taliban said they were not behind the twin attacks. (IANS)