A worker has died in hospital after falling more than 30 feet in a grain store.
The contractor from Whittlesey, Cambridgeshire was working at the port in Sutton Bridge, Lincolnshire, when he fell at 1500 GMT on Tuesday.
Colleagues tried to resuscitate the 45-year-old before he was flown by air ambulance, to hospital in Kings Lynn, where he later died,
The Health and Safety Executive has begun an investigation.
It is understood the man was carrying out maintenance work at the site when the accident happened.