By Etan Vlessing

TORONTO - The frontman for Canadian rockers Sum 41 is in the hospital with unspecified injuries after an apparent bar melee in Japan, according to the band.

"Deryck Whibley was attacked in a bar last night by 3 unknown people. He is in the hospital now. Japanese police are looking into the matter," the Ontario-based band reported on its Twitter account late Thursday night.

The group updated the assault claim with a blog report Friday afternoon on Sum41.com and a separate Facebook page.

"It is unfortunate to say, but Deryck Whibley is still in the hospital. He was attacked late last night in Japan. We are waiting for results and we are hoping for the best. Thanks for your support," the band said.

Last week, the Canadian band canceled some U.S. dates on the Warped Tour after reporting that Whibley had come down with a severe case of bronchitis.

source Yahoo