A police incident has led to the closure of Hollow Way Recreation Ground in Oxford.
The site was cordoned off for most of the morning, with officers present and police tape securing the entrances.
A reporter who attended the scene said the circumstances of the incident were not yet known.
The reporter remains in contact with police and is seeking further information about what happened.
Thames Valley Police was approached for comment at around 7.30am, but the force had not responded at the time of publication.
The cause of the closure and the nature of the emergency response remain unconfirmed, with no statement released by the force.
People living near the park have expressed shock at the incident occurring close to their homes.
Further information about the response is expected from Thames Valley Police once its enquiries are complete.