Cross-channel ferry crossings were thrown into chaos for most of the day due to a strike which closed the port of Calais.

All three ferry firms operating between Dover and the French port – P&O Ferries, DFDS and MyFerryLink – had to cancel sailings.

The closure of the port of Calais follows industrial action this morning by staff at MyFerryLink, after owner Eurotunnel announced the firm would pull out of the Dover to Calais route and sell its two former SeaFrance ferries to DFDS.

A walkout by Calais chamber of commerce staff shut the French port resulting in sailings being suspended to and from Dover.

The Foreign and Commonwealth Office said in an updated travel advisory: “Calais port is currently closed due to strike action by port staff.

“If you’re booked to travel through Calais, you should contact your travel company for information and advice.”

MyFerryLink used its Twitter feed to say that that delayed sailings had resumed at 4.10pm.

P&O Ferries called on passengers to check in as normal following the end of the strike but warned that sailings would be subject to delay.