A Bharatiya Janata Yuva Morcha (BJYM) leader was killed and five others were injured when the car in which they were travelling in collided with a truck on the Sirsa-Mansa road near Kot Dharmu village in Mansa district this afternoon. The deceased has been identified as 26-year-old Arshdeep Singh of Ramdittewala village here, who was the BJYM's vice-president of Mansa district.Meanwhile, the BJP cancelled the yatra for the day.