UPDATE: Death toll in Chatsworth bus accident increases to three

The bus overturned on the M1 heading towards Pinetown - in the vicinity of the Hans Dettman Highway, near Savannah Park. 

Emergency services had to use the Jaws of Life to cut some of the injured passengers from the wreckage. 

ALSO READ: Two killed, dozens hurt in Savannah Park bus crash

Netcare911's Chris Botha says another body was recovered from underneath the bus.

"It has been quite a tragic scene. But when we lifted the bus up, we found that another person was trapped under the bus- which brings the death toll to three,"he said.

Botha says all the injured passengers have since been taken to hospital for further care:

"There was a total of three people that was in serious condition, 20 that was moderate injuries, and 40 that sustained relatively minor injuries. One of the seriously injured patients - a female - was airlifted by emergency services to hospital. All the other injured were transported to various hospitals for further care," he said. 

The crash occurred the day before a Transport Indaba will be held in the city. 

Tomorrow's indaba at the Durban ICC is expected to focus on anti-corruption measures within the sector. 

Around 1000 traffic officers from all provinces and municipalities will take part in the event. 

Transport Minister, Dipuo Peters, will deliver the keynote address.