Six Nations 2022: Wales warned about picking Tomas Francis against France

The decision to declare Wales prop Tomas Francis fit to face France in the Six Nations in Cardiff on Friday has been described as a «grave mistake».

Francis, Owen Watkin and Josh Adams have passed concussion protocols after suffering head blows in Wales' defeat by England on 26 February.

Professor John Fairclough says selection would put Francis at «unnecessary risk of serious harm».

Wales defence coach Gethin Jenkins expected the trio to train on Monday.

«All three have gone through their concussion protocols and return to play, and all three are expected to be training today and be fit for Friday's game,» said Jenkins.

«We always worry when they have to go through protocols. It's quite a stringent process.

»We've lost people in the past due to that, and it's unfortunate. It is a good boost that we have all got three available."

Cardiff wing Adams was the victim of a late high tackle from England replacement Joe Marchant which went unpunished, but the incident involving Watkin and Francis caused greater controversy.

The pair sustained head injuries in the 20th minute at Twickenham when they collided while trying to tackle England lock Charlie Ewels.

Both left the field for head injuries assessments (HIA) and passed the tests to return.

The handling of the incident was criticised as a «clear and flagrant breach» of head injury assessment protocol by Progressive Rugby, a lobby group on player protection.

The claims were made in an open letter by Professor Bill Ribbans and Professor Fairclough, who used to work with the Welsh Rugby Union.

Francis struggled back to his feet and leant on the post after the incident before being seen by the Welsh medics.

The letter claimed that «there were 12 Criteria 1 signs and symptoms with six