Sons of ex - cricketer Imran Khan and cleric Amir ul Qadri march on Islamabad . Many protesters have entered high - security ` ` red zone '' to occupy parliament . Security aside , protesters have so far avoided clashes . However they told CNN orders had been given not to react or use force . Protesters call for government to stand down amid corruption , vote fraud claims .
Sons of ex - cricketer Imran Khan and cleric Amir ul Qadri march on Islamabad . Many protesters have entered high - security ` ` red zone '' to occupy parliament . Security aside , protesters have so far avoided clashes . Protesters call for government to stand down amid corruption , vote fraud claims .