EL CAMPO, Texas -

Emergency crews are on the scene of a van rollover crash near El Campo.

All northbound lanes of Highway 59 near El Campo are closed after a Texas Department of Criminal Justice van carrying prisoners crashed around 7:15 a.m. Thursday.

El Campo police say three prisoners were on the bus at the time of the crash. All of them remain in custody, according to El Campo police.

The prisoners and two sergeants were taken by ambulance to El Campo Hospital in unknown conditions.

Officials say the van was traveling from Kenedy, Texas to Richmond when the crash occurred.

No other information has been released at this time.

Stay with Click2Houston.com for more on this developing story.