Humber Refinery injuries: HSE investigates 'steam leak'
A steam leak that injured two workers at a North Lincolnshire oil refinery is being investigated by the Health and Safety Executive (HSE) and police.
The employees were airlifted to Pinderfields Hospital in Wakefield from the Humber Refinery in South Killingholme on Wednesday.
Humberside Police said one man was in a critical condition with another man described as "poorly".
Plant owners Phillips 66, said the refinery's operations were unaffected.
The HSE said police involvement was routine in investigations when serious injuries were involved.