Fifteen passengers were injured when a private bus overturned while giving way to a vehicle following it near the Gaushala Complex outside Daulatpura village on the Abohar-Sriganganagar road this afternoon.The driver of the bus, which was coming to Abohar, fled after the incident.Some witnesses told rescue workers that the driver had lost control over the bus as he was allegedly busy in talking over his mobile phone. The bus skidded on the roadside mud and overturned.Those injured were provided first aid and five of them were later shifted to the Civil Hospital. A 45-year-old widow, Reshma Rani, died of shock on hearing that her son Ashok Kumar (25) was injured in the mishap.