The protest sparked on Tuesday...
Former Prime Minister Imran Khan has been arrested as his party accused Pakistani authorities of arresting a senior leader as the government deploys the army.
On Thursday Imran Khan's Party, Pakistan Tehreek-e-Insaaf (PTI) alleged Shah Mahmood Qureshi, who served as foreign minister in Khan’s cabinet during his four-year premiership, was arrested overnight.
On Wednesday, two other senior leaders of PTI, Asad Umar, and Fawad Chaudhry, were also arrested.
The violence sparked on Tuesday when Khan was arrested by the country's anti-corruption agency has aggravated instability in the country of 220 million people as it grapples with a severe economic crisis and a delay to an International Monetary Fund bailout since November.
Protesters have stormed military buildings and ransacked the residence of a top army general in the eastern city of Lahore. Other state buildings and assets have been attacked and set ablaze by protesters.
According to the reports, at least five people have died in the violence.
The Brief. Sign up to receive the top stories you need to know right now.