Pakistani Islamists stage sit-in, demand PM resign

Tens of thousands of Islamists remained in a protest camp in the heart of Pakistan's capital Saturday amid tight security, as authorities deployed additional shipping containers and riot police to block access to key government buildings.The protest caravan rolled into Islamabad on Thursday led by firebrand cleric Maulana Fazlur Rehman, who heads the Jamiat Ulema-e-Islam party.Rehman, who reiterated his call for Khan to step down in a speech to protesters Saturday, has hinted he may try to force