LUCKNOW, April 11 -- Three labourers were killed and two others injured after a gravel-laden truck overturned onto a temporary tin shelter near an under-construction bridge in Uttar Pradesh's Saharanpur district in the early hours of Friday, police said. Saharanpur's Deoband Circle Officer (CO) Abhitesh Singh said that the accident took place around 3 am in the Nagal police station area on the Saharanpur-Jhabreda route, where bridge construction work is currently underway. Singh said that five labourers - Asgar, Istkar, Shaukeen, Gulfam, and Karmveer - all residents of Mahmoodpur village, were working at the bridge construction site. Singh added that the three bodies were sent for postmortem, and further investigation is underway to ascertain the cause of the accident, including driver negligence and overspeeding....