Judge 'likely to put Lohan behind bars'

Lindsay Lohan could be back behind bars on Friday.

The troubled actress – who recently admitted to failing two court-ordered drug tests and has had a bench warrant issued for her arrest – will have her probation revoked on Friday by Los Angeles Superior Court Judge Elden Foxbut but may have to spend 30 days in prison as she waits for a probation violation hearing to be held.