A Welsh politician has called for Tom Jones' famous track Delilah to be banned from the country's rugby games, alleging it glorifies domestic violence.

The crooner's 1968 ballad about an unfaithful lover who is killed by her husband is sung by the crowd before each Welsh international rugby match at the Millennium Stadium in the capital Cardiff.

The lyrics, including the line "I felt the knife in my hand and she laughed no more", are displayed on a large screen, but politician and singer Dafydd Iwan has called for the tune to be replaced.

He says, "Do we really realise what we are singing about here? It is a song about murder and it does tend to trivialise the idea of murdering a woman. It's a pity these words now have been elevated to the status of a secondary national anthem... I think we should rummage around for another song instead of Delilah."

A spokesman for the Welsh Rugby Union (Wru) says, "Within rugby, Delilah has gained prominence through its musicality rather than because of its lyrics... The Welsh Rugby Union condemns violence against women and has taken a lead role in police campaigns to highlight and combat the issue. The Wru remains willing to listen to any strong public debate on the issue of censoring the use of Delilah but we have not been aware of any groundswell of opinion on this matter."

Jones has not yet responded to Iwan's campaign.