A bus carrying Sri Lankan returnees from overseas crashed into a water supply pipeline in the Palai area in Jaffna this morning.
The bus was travelling to the Army Quarantine centre in Vidattapalai are in Kilinochchi.
17 passengers who sustained injuries were admitted to the hospital.
2 females and the driver who were in critical condition were admitted to the Jaffna Teaching Hospital.
The bus was reported to be transporting a group of Sri Lankans who had been repatriated from Oman to the Vidathalpalai quarantine centre in Jaffna.
It is reported that the driver may have fallen asleep, making him lose control of the wheel.
Palai Police are conducting further investigations into the accident.