The Canadian authorities said Qadri had violated an oath stating that he was not allowed to enter Pakistan.
Protesters led by cleric Tahir-ul-Qadri inched towards Islamabad demanding sweeping electoral reforms, as riot police turned the Pakistani capital Islamabad into a virtual fortress.
Influential cleric Tahir-ul-Qadri began a "long march" from Lahore to Islamabad with thousands to pressure Pakistan government to carry out wide-ranging reforms ahead of the upcoming general election.
Day in Pics: 23rd September
Showbiz World - September 23, 2014
'Kill Dil'- Posters