In pictures: Quetta attack

1 of 7 Eyewitnesses say a grenade was thrown into the procession in Quetta, then gunmen sprayed the crowd with bullets.

2 of 7 People rushed the injured - including this boy who was hit by a bullet - to hospitals for treatment.

3 of 7 Shias were marking the seventh-century death of Imam Hussein, grandson of the Prophet Mohammad.

4 of 7 Local hospitals struggled to cope with streams of injured people.

5 of 7 After the attacks Shias went on the rampage, looting and burning property and vehicles before troops restored order.

6 of 7 Security forces moved in straight away, firing shots and tear gas to disperse the crowd.

7 of 7 The city is under an indefinite curfew.