Richards, 62, was injured earlier this week and flown to a New Zealand hospital for treatment, band spokeswoman Fran Curtis said in a statement Saturday.
"Following treatment locally and as a precautionary measure, he flew to a hospital accompanied by his wife, Patti, for observation," Curtis said.
The statement did not elaborate on Richards' condition or explain how he was injured.
But media reports in Australia and New Zealand said Richards hurt his head after falling out of a palm tree at an exclusive Fiji resort and remained hospitalized in Auckland.
