Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Pakistan Shuts Afghan Border to Stop Spread of Coronavirus Ayaz Gul ISLAMABAD - Pakistan has temporarily closed a key southwestern crossing point with Afghanistan, saying the move is meant to prevent the spread of coronavirus on both sides of the border. An official announcement Monday said the Chaman crossing in Baluchistan province was being shut for "an initial period of seven days... in the best interest of the people of brotherly countries." Meanwhile, authorities in the southern province of Sindh extended the closure of all educational institutions for two weeks following the confirmation of a second case of the virus in Karachi, the provincial capital and the country's largest city. Schools in Sindh have been closed since Thursday. Pakistan has confirmed a total of four cases, including two in the national capital, Islamabad. The ministry of public health in Afghanistan says one person has tested positive and that authorities are investigating 17 suspected cases. Those individuals are being kept in isolation wards. .