QUETTA    - At least 18 persons died and 48 others wounded when a passenger bus plunged into deep ravine after taking turnabout on the national highway near Palong area of Khuzdar district on Friday morning. According to Khuzdar Deputy Commissioner (DC) Major (retired) Bashir Ahmed Bazai, a bus carrying pilgrims from Wadh in Balochistan to Dadu area of Sindh was on its way when it plunged into a deep gorge as the driver took a turnabout.