A suicide bomber killed six Iraqis at a council meeting in Baghdad's Sadr city on Tuesday, police said. Police said U.S. soldiers were at the meeting in Sadr City. They said there had been casualties among the soldiers. A U.S. military spokesman said he could confirm a blast had occurred but had no further details. Seven civilians were wounded, police said. Mahmud al-Zamili, a member of Sadr City's local council, said the explosion went off inside the room of the deputy head of the council. Police said the deputy was among the wounded. A Reuters photographer said U.S. and Iraqi forces had cordoned off the council office in Sadr City.