A bus had toppled into a canal of ‘Parakrama Samudra’ tank at Kegalugama, Lankapura, Pollonnaruwa, injuring 30 passengers.
The bus had been carrying a group of garment workers, said the Police.
The injured passengers had been admitted to the Polonnaruwa and Pulasthipura Hospitals.
Pulasthipura Police are investigating.