Police are investigating after a truck driver lost control of his vehicle and crashed into the rear of a stationary bus on Neale Street in Deer Park this morning.
No passengers were inside the bus at the time of the incident which occured at 7:45am on Tuesday, May 24.
The bus driver was taken to hospital with back injuries while the 40-year-old truck driver was taken to hospital in a critical condition.
Brimbank Highway Patrol officers are investigating the circumstances surrounding the incident and are keen to speak to any witnesses.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000.