A series of explosions in and around Baghdad on Saturday killed at least 15 people and wounded more than 20.
Three bombs exploded in the commercial Bab al-Sharqi district of central Baghdad, killing eight people.
Iraqi say another two explosions hit a truck carrying construction workers on the road between Baghdad and Falluja.
The last US troops are due to withdraw from Iraq by the end of 2011.
However, the BBC reports the United States and the Iraqi government are in talks over whether to retain a limited American presence into 2012.
