An explosion in downtown Kabul on Monday has killed at least seven people and wounded about a dozen more, according to police and an Italian charity. The blast occurred in a Chinese restaurant in the Shahr-e-Naw district. The restaurant was jointly owned by an Afghan man, a Chinese national and his wife. The Italian charity EMERGENCY said its surgical center received 20 people from the blast, including seven who were already dead. Those injured included four women and a child. The cause of the explosion is still under investigation.