Ludhiana, March 17 -- Two devotees were killed and over 10 others injured when a tractor-trolley, returning from Anandpur Sahib's Holla Mohalla event, overturned near Ropar on Saturday night. The deceased, identified as nambardar Gobind Singh, 55, and Dhara Singh, 60, were cousins, hailing from Manewal village in Machhiwara....