Four killed in Jalpaiguri by falling trees during nor’wester with ‘mini tornado’. Alipore Met office reported 60-70kmph wind speed. Director stated nor’westers often have mini tornadoes causing extensive destruction and loss of life. Around 367 people had to be hospitalised for injuries, even as initial estimates said there was massive loss to property at Jalpaiguri Sadar and Maynaguri blocks.