At least three people were killed and 15 others wounded in a suicide bombing attack near the house of a tribal leader in Afghanistan's Jalalabad town on Sunday, sources said.According to the initial information, the blast occurred near the house of Abidullah Shinwari around 10.40 a.m. (local time), Xinhua quoted a security source as saying. "So far, we have no more detail but we will try to get more information," the source added.No group has claimed responsibility for the attack so far.