Zoey 101 Star Arrested
Sources say ... around 3AM, law enforcement in Port St. Lucie rolled up to the Cloud 9 hookah lounge, co-owned by Underwood, and arrested the actor on a probation violation ... stemming from his drug possession conviction earlier this year.
We broke the story ... 22-year-old Underwood had been arrested back in April ... when cops say he was in possession of a large amount of marijuana. Underwood had plead no contest and was sentenced to 12 months probation.
Underwood is currently behind bars at the Port St. Lucie jail -- and is expected to remain in custody ... at least until he sees a judge today.
Update: Officials tell TMZ ... Underwood allegedly violated 5 terms of his probation, including:
Underwood's probation officer has recommended that the judge sentence him to 180 days in jail. more on this story
TMZ submitted this story.