 In the same month, a widespread power failure darkened Kabul when a pylon on the transmission line from the Naghlu power station was blown up.In June 1982 a column of about 1,000 young communist party members sent out to work in the Panjshir valley were ambushed within 30 km of Kabul, with heavy loss of life.On September 4, 1985, insurgents shot down a domestic Bakhtar Airlines plane as it took off from Kandahar airport, killing all 52 people aboard.