Pakistani police Monday fired tear gas canisters at supporters of imprisoned former Prime Minister Imran Khan to stop them from entering the capital, where they hoped to stage a sit-in to demand his release,

A march by hundreds of supporters to demand the release of jailed former Prime Minister Imran Khan reached the fringes of Pakistan's capital of Islamabad on Monday, his party and officials said, amid reports of violence elsewhere.

Pakistani authorities arrested over 4,000 supporters of Imran Khan, including five parliamentarians, ahead of a rally demanding the release of the former prime minister from prison, where he has been held for over a year.