A road block
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Pakistan protest: Road blocks in Islamabad

14 August 2014 Last updated at 14:57 BST

Former cricketer and opposition politician Imran Khan is leading an anti-government protest in Pakistan.

Thousands of demonstrators have started marching from Lahore Islamabad, calling for Prime Minister Nawaz Sharif to step down.

The BBC's Shahzeb Jillani said road blocks have been set up in the capital.