A total of seven people were killed and 26 were wounded in two separate attacks in Baghdad and a northern Iraqi town, local authorities said Sunday. In one incident, at least five Iraqis were killed and 22 were wounded when a suicide bomber blew himself up in a coffee shop in the northern Iraqi town of Tuz Khormato, police sources said. In a separate incident, two more Iraqis were killed and four were wounded when a car bomb exploded in a crowded commercial street in the al-Mansour district in western Baghdad.