Chaos in Islamabad: Security forces crackdown on Islamist protesters

A policeman walks towards clashes with demonstrators near the Faizabad junction in Islamabad.

A demostrator detained by police gestures after being hit by a policeman as he is led to a police van near the Faizabad junction in Islamabad.

A policeman leans on his shield in the police staging area and watch demonstrators near the Faizabad junction in Islamabad.

A demostrator detained by police gestures after being hit by a policeman as he is led to a police van near the Faizabad junction in Islamabad.

Smoke rises as Pakistani police officers fire tear gas shell to disperse protesters during a clash in Islamabad, Pakistan.

Protesters hurls back a tear gas shell fired by police during a clash in Islamabad, Pakistan.

Police stand in their staging area and watch demonstrators near the Faizabad junction in Islamabad.

Pakistani police officers carry an injured protester during a clash in Islamabad, Pakistan.