Pakistan has put the capital Islamabad under lockdown as thousands of supporters of jailed former prime minister Imran Khan marched towards the city to demand his release, in the latest threat to the legitimacy of the military-backed government.

Thousands of supporters of Pakistan's imprisoned former prime minister Imran Khan have defied a lockdown and widespread arrests to head to capital Islamabad in demand of his release. Hundreds of them reached the fringes of Pakistan's capital Islamabad on Monday,

Pakistan says it is suspending mobile and internet services “in areas with security concerns” as supporters of imprisoned former premier Imran Khan gear up for a protest in the capital.