Metal Sludge — As was first reported by Metal Sludge earlier today, Poison lead singer Bret Michaels is sick and the band have been forced to cancel their show on The Stadium Tour in Nashville tonight. Now Los Angeles based media outlet TMZ have confirmed our Breaking News story and that there was a medical emergency that resulted in Michaels being hospitalized in Nashville. See full story below. TMZ UPDATE 4:39 PM PT — Sources[…]