The now-banned hardline TLP wants Islamabad to expel the French Ambassador over the issue of blasphemous cartoons.
The next two weeks will be even more of a challenge as nearly 95 percent of hospital beds are already occupied.
No cause of death has been announced for the 54-year-old Rizvi, who died on Thursday after suffering a high fever and difficulties breathing, and no Covid-19 test or autopsy were conducted on the long-time wheelchair user.
Police have arrested Khadim Hussain Rizvi accused of disrupting daily life with rallies across Pakistan following the acquittal of a Christian woman in a blasphemy case.
Asia Bibi, a Christian woman, was acquitted of blasphemy charges by the Supreme Court on Wednesday sparking violent protests by the country's conservative groups running on third straight day.
Religious groups incensed by acquittal of a Christian woman Asia Bibi for blasphemy vow no let up to protests after Prime Minister Imran Khan promised to confront them.
The traditional religious groups faced a setback in recent elections from a new breed of militant clerics who espouse a different future for Pakistan.
Around 1,500 candidates are backed by religious and hardline parties for the July 25 general elections. Some of these groups are political fronts for groups banned for anti-state activites.
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