Knoxville damages genitals in TV stunt

Johnny Knoxville has damaged his genitals while filming a stunt for an Evel Knievel tribute show.

The Jackass star revealed that he has been forced to use a colostomy bag for a fortnight after injuring his penis while performing a motorcycle stunt.

Writing on his official blog, Knoxville said: "Just got back from Oklahoma where I was shooting Mat Hoffman's Tribute to Evel Knievel.

"Had a ball, too, even though I almost lost my own balls in the process. Don't want to give too much away because the tribute airs February 23 on MTV, but let's just say before letting [stunt trainer] Travis Pastrana teach me how to do a backflip on a motorcycle I should have had him teach me to ride one first.

"Bad for me, good for our viewing audience at home. Have to go now. Have to empty the piss bag on my leg that I have to wear for the next two weeks until my torn urethra heals. Ouch, and see you on the 23rd."