Twin bombs in Iraq killed 18 people in the capital, Baghdad, on Thursday.
The first blast occurred in Ur, a mainly Shia district. The second went off as casualties were being evacuated.
At least 36 people are said to have been injured.
The BBC reports there has been a resurgence in bombings in Baghdad in recent weeks.
A series of car and roadside attacks killed at least 28 people on 12 October.