Pakistan locks down capital, suspends cellphones to thwart opposition rally 

Islamabad — Pakistan Friday imposed strict security measures in and around Islamabad to deter supporters of imprisoned former prime minister Imran Khan from marching on the country’s capital.    Authorities have blocked highways and roads leading into the city with freight containers. They have suspended cellphone service and public transport, and closed schools.    Police and paramilitary forces were stationed at entry and exit points, and the government temporarily banned public gatherings in Islamabad.