Sri Lanka, May 11 -- Investigations are underway to determine whether the cause of the bus accident that occurred at Gerandi Ella in Kotmale this morning (11) was due to the driver's negligence or due a technical defect in the bus, Police Media Spokesman, Senior Superintendent of Police (SSP) Buddhika Manatunga, said.

The Kotmale Police is conducting further investigations into the accident, the Police Media Spokesman added.

It has been reported that the death toll from the accident has increased to 21.

A total of 16 men and 5 women are among the dead, according to Police.

SSP Buddhika Manatunga further stated that over 35 people were injured and are receiving treatment in the hospital.

A bus veered off the road and toppled down a pr...