direct to your inboxAn MP has called for an investigation after horrific racist graffiti was daubed on a defibrillator in Denton.The words 'For whites only' and 'No n******' were written on the life-saving device in the Civic Square.Denton and Reddish MP Andrew Gwynne, who after learning of the graffiti went to clean it off with his wife Allison, says he will be asking Tameside council to check CCTV in the area in a bid to catch the 'scumbag' who did it.