You can breathe a sigh of relief, Red Hot Chili Peppers fans - it looks like Anthony Kiedis is going to be just fine.

The frontman was rushed to hospital over the weekend after complaining of 'extreme stomach pain', leading to the band's California gig on Saturday to be cancelled.

It's now been revealed that the 53-year-old's been diagnosed with intestinal flu and is expected to make a full recovery.

The band issued a statement on their website, saying that they would also be cancelling their forthcoming gig tomorrow.

"Due to Anthony Kiedis' hospitalization from complications from the intestinal flu on Saturday evening, the Red Hot Chili Peppers regretfully must postpone their upcoming concert for iHeart Radio on May 17th," it read. "They would like to extend their gratitude to the fans for the outpouring of well wishes. Anthony is expected to make a full recovery soon."