Dragons' former Wales and British and Irish Lions hooker Richard Hibbard retires with immediate effect.
Cardiff number eight James Ratti discovered that he had been called up to Wales' Six Nations squad while still on the training pitch.
Welsh Rugby Union chief executive Steve Phillips is "delighted" that full crowds will be able to attend Wales' home Six Nations matches.
Gareth, Lauren and Nicky are joined by Wales head coach Wayne Pivac as he announces his Six Nations squad and the women's captain Siwan Lillicrap.
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