Man trapped after truck rollover closes Beaudesert Beenleigh Road at Mundoolun

A firefighter has been critically injured after being trapped in the wreckage of a fire truck after it crashed into a tree south of Brisbane, closing a busy road in both directions.

Paramedics have attempted to treat the trapped man for a lower body injury.

A firefighter has suffered life-threatening injuries after a serious crash south of Brisbane on Monday morning.

Emergency service responded to reports of a man in his 30s trapped after a crash on Beaudesert Beenleigh Road at Mundoolun, about 9.30am.

A Queensland Fire Department spokesman said the vehicle and sole occupant were a fire truck and firefighter.

The truck did not roll as initially reported, but crashed directly into a tree, seriously injuring the firefighter.

A Queensland Ambulance Service spokeswoman said the firefighter suffered potentially life threatening injuries to his legs and was taken to the Princess Alexandra Hospital.

Hydraulic equipment was used to free the emergency services worker from the wreckage.

The Queensland Fire Department said the fire truck was not responding to an incident at the time of the crash.