More than 500 people, including 56 policemen, have been killed since March.
He said that as a result of the violence 21 people died, including policemen and social workers.
Later Iraqi police joined the fight and five people, including four policemen were killed.
A police officer who visited the scene said 10 people were killed, including 4 policemen and a 6-year-old girl.
Nearly 1300 people died in the unrest, including policemen and government officials.
In the violence that followed, 21 people were reported injured, including 7 policemen.
The Government said the death toll was 8 and that 100 people, including policemen, were hurt.
Ten minutes later, the fourth bombing killed four people, including two policemen.
A total of 91 people were killed, including 28 British soldiers, policemen and civilians.
It ended in violence; two were killed and 54 others injured, including 45 policemen.