Meerut, July 27 -- A private double-decker bus travelling from Uttar Pradesh's Bahraich to Punjab overturned in Sambhal district early on Sunday, killing three passengers and injuring more than 25, police said, adding that preliminary enquiries indicate that the driver may have dozed off, causing the vehicle to hit the central divider and overturn. Police said the accident happened at Chandausi tehsil when the speeding bus first struck the divider and then toppled, trapping passengers. The bus was carrying about 150 passengers, several of them migrant workers returning to Punjab after visiting their hometowns. P11...