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 .
Supporters of ex-cricketer Imran Khan and cleric Tahir ul Qadri march on Islamabad . Many protesters have entered high-security `` red zone '' to approach parliament . Security forces , protesters have so far avoided clashes . Protesters calling for government to stand down amid corruption , vote fraud claims .