Dharamshala, May 4 -- Atleast 26 people were injured when a private bus overturned after the driver reportedly experienced a heart issue and lost control of the vehicle, in Kangra district on Sunday, police said. "Total of 28 people were in the bus. The driver reportedly suffered a heart problem while driving, following which the bus overturned," said a senior police official. The accident occurred around 11 am on the Pathankot-Mandi National Highway in the Nurpur sub-division, when the bus was going to Una from Chamba. The victims were taken to Nurpur civil hospital in ambulances. Four critically injured passengers were referred to Dr Rajendra Prasad Government Medical College, Tanda. htc...