Osbourne in verbal attack on reporter

Sharon Osbourne launched a blistering tirade against a reporter who questioned whether her superstar family is suitable to host a new TV variety show.

Osbourne, Black Sabbath star Ozzy and their children Kelly, 24, and Jack, 23, are returning to US TV screens following their wildly popular reality series 'The Osbournes' to front upcoming series 'Osbournes Reloaded'.