NAWALPARASI: As many as six persons were injured when a passenger bus overturned this morning at Naya Belahani locality in Nawalparasi along the East-West Highway. The bus (Lu 1 Kha 6274) heading towards west turned turtle as it tried to take a turn and lost control. The injured passengers from Kavrepalanchok, Sindhupalchok, Gulmi, Sunsari and Saptari districts were rushed to the Purano Medical College in Bharatpur for treatment.