X Factor's James Arthur diagnosed with 'acute exhaustion'

X Factor winner James Arthur has been diagnosed with "acute exhaustion" and cancelled all engagements while he recovers - just days after being embroiled in a homophobia row.

James Arthur performs at the official switching on of the Christmas lights, on Oxford Street. Credit: Dominic Lipinski/PA Wire/Press Association Images

The singer ended up apologising for his language after he used the word "queer" in rap which drew criticism from figures such as Matt Lucas.

Earlier this week he was also involved in a row with fellow X Factor contestant Lucy Spraggan after she posted text messages online which he had sent to her.