Two people have been rescued after becoming trapped in a ship’s tank at Lyttelton Port this morning. 

A Lyttleton Port Company (LPC) spokesperson said there was an incident onboard a vessel in the dry dock this morning, and no LPC staff were involved. 

Fire and Emergency staff confirmed at least two people were rescued and were being treated by medics. Photo / George Heard 

A Fire and Emergency New Zealand spokesperson said they received a report of two people trapped in a tank at 9.41am. 

Fire and Emergency crews have recovered multiple people trapped inside a tank. Photo / George Heard 

Two crews from Lyttleton and one from Christchurch responded and rescued two people from the tank. 

Crews stayed to assist ambulance staff in treating the patients. 

The ship is understood to be Australian-flagged fishing vessel ‘Antarctic Discovery.’ 

Marine tracking website Vessel Finder lists the ship as having been docked in Lyttleton since February 7. 

St John Ambulance have been approached for comment. 

More to come.