Katherine Jenkins has been forced to cancel her London concert after being inflicted with a stomach bug.

Moreover, the Welsh singer had to be rushed to a hospital, reports the Daily Star.

She Tweeted a post: “Still feel pretty awful (Norovirus apparently). Just wanted 2 (sic) say sorry 2 (sic) all those who were coming to iTunes.

“A hospital visit last night has made a big difference and I feel I am coming out the other side of it. I hate letting you all down.”

The Welsh singer was set to perform at the iTunes concert apart from making a string of promotional appearances to promote her new album ‘Believe.’