The woman, 29, was killed as she was unloading a car from a tow truck tilt tray about 5.40am this morning at a car yard. WA's workplace safety regulator is investigating a work-related death of a tow truck driver at an Osborne Park business early on Tuesday morning. Key points and original sources are listed below.

• The woman, 29, was killed as she was unloading a car from a tow truck tilt tray about 5.40am this morning at a car yard.S1

• WA's workplace safety regulator is investigating a work-related death of a tow truck driver at an Osborne Park business early on Tuesday morning.S2