Paramedics were called to the Thames Quay building in Chelsea Harbour yesterday morning to treat the 44-year-old mobile operator for multiple injuries.

The man suffered injuries to the head, arm and foot, and was taken to St Mary’s Hospital in Paddington.

Witnesses in Thames Quay were alerted to a ‘huge crashing sound’ as the load fell down.

The crane was being used to install wooden flooring into a flat on the fifth floor of one of the exclusive blocks.

Several firefighters had been winched to the top of the crane to try and make the remainder of the precarious load safe, as police and security guards kept watch.