Thousands of Nawaz Sharif party supporters thronged the capital to join in the rally, setting up camps where he'll address the crowd.
The Supreme Court dismissed Sharif after an investigative panel alleged his family could not account for its vast wealth.
The Supreme Court could put Prime Minister Nawaz Sharif on trial on corruption charges or disqualify him from office.
There are concerns that Pakistan might be on the verge of deploying a small tactical nuclear weapon.
As the number of dead hits 420, both countries have been criticised for their disaster preparedness.
Protests turned deadly last weekend when thousands tried to storm the prime minister's house.
Nawaz Sharif has now met with military leaders to discuss the option of resigning for three months.
Protesters have been on the streets for weeks trying to bring down Prime Minister Nawaz Sharif.
3 people were killed when thousands of protesters tried to storm PM Nawaz Sharif’s residence.
In a bid to resolve a standoff, govt representatives have held talks with protest leaders.
Militants attacked one of Pakistan’s biggest airports on Sunday and killed at least 24 people.
Nawaz Sharif has demanded to know why police stood by while a pregnant woman was stoned to death.
