French minister raises electricity supply as point of leverage in dispute over access to UK waters.

France on Tuesday threatened "reprisals" against Britain unless a post-Brexit deal on fishing rights is implemented, the latest sign of cross-Channel tensions over the highly sensitive sector.

France is threatening to block regulations that would allow the U.K. to continue operating financial regulations in Europe if the country doesn’t respect its Brexit commitments on fishing.

French fishermen are threatening to block access to all UK seafood products, but processing companies are warning that blanket efforts against all UK raw material would be counter-productive.

Exports of Scottish seafood from smaller companies are to be halted for a further five days by the transport company that handles most of the trade.

French trawlermen angered by the slow issuance of licenses to fish inside British waters after Brexit on Thursday blocked lorries carrying UK-landed fish as they arrived in Boulogne-sur-Mer, Europe’s largest seafood processing centre.

The European Parliament has voted to ratify the EU-UK Trade and Cooperation Agreement (TCA), with 660 out of 697 MEPs voting in favour of the deal, but a Brexit expert has said it is only the beginning.