Helicopters and lifeboats from Harwich and Walton-on-the-Naze were involved in the search for the missing people.

BBC: Felixstowe European Gateway ferry disaster memorial plan

The issue has barely been an issue in the Polish media, and Naze, the official in charge of the investigation, has repeatedly cast doubt on the accusations.

NPR: Poland: Still No Sign Country Source Of Horsemeat

"What we have today is that there are no signs that the horsemeat was in Polish beef, " Naze said.

NPR: Poland: Still No Sign Country Source Of Horsemeat