Britney Spears arrested in California

Britney Spears has been arrested in California, US court documents show.

The singer was arrested by the California Highway Patrol at around 21:30 PT (05:30 GMT) on Wednesday.

She was released in the early hours of Thursday morning and is scheduled to appear in Ventura County Superior Court on 4 May.

The court documents do not confirm the reason for the singer's arrest.