Armed police swarmed a train this afternoon as they attended an emergency situation at Ōtāhuhu Station.

Auckland Transport (AT) confirmed that an “emergency services incident took place at the Ōtāhuhu Train Station at around 1.25pm this afternoon”.

A witness told the Herald that heavily armed police were seen entering the station and boarding one of the trains parked on the tracks.

Police confirmed they were attending an incident at the scene.

AT has warned the public to expect delays and cancellations on the Southern and Eastern lines.

“The Southern and Eastern Lines experienced some delays and a train service from Britomart to Manukau was cancelled,” an AT spokesperson told the Herald.

“Normal train services have now resumed but it’s possible some delays may still occur as the network recovers.”