Fifteen labourers, sleeping near the road, were crushed to death this morning by a truck in a tragic accident near Gujarat's Surat. The accident took place early this morning near Kosamba village, around 60 km from Surat, police said. A dumper truck ran over the sleeping labourers on the Kim-Mandvi road killing 12 on the spot. Some injured labourers have been taken to a nearby hospital. Three of the eight injured died during treatment taking the total fatalities to 15, police said.