A Pakistani journalist investigating claims of casualties in a protest march demanding the release of jailed ex-prime minister Imran Khan was picked up off the street on Wednesday night and charged with terrorism,

Authorities have reopened roads linking Pakistan’s capital with the rest of the country, ending a four-day lockdown, after using tear gas and firing into the air to disperse supporters of imprisoned former Prime Minister Imran Khan who demanded his release from prison.

Pakistan's capital Islamabad was gripped by violence on Tuesday as protesters demanding the release of former Prime Minister Imran Khan clashed with security forces near the parliament.