Thousands marched to Islamabad Tuesday, demanding ex-PM Imran Khan's release, defying tear gas and roadblocks. Clashes left one officer dead and nine critically injured. Khan, barred from February elections amid rigging allegations,

Three members of the Pakistan Tehreek-e-Insaf (PTI) party were killed during rallies in Islamabad as part of the most recent wave of political turmoil in Pakistan. Tensions between PTI members and law enforcement have escalated as a result of the protests,

Pakistan's capital, Islamabad, is under lockdown for a second day as thousands of protesters demanding the release of former prime minister Imran Khan from jail converge on the city. His supporters are also calling for the overturning of election results they say were rigged - a claim disputed by the government.