Two teenagers and a man are in custody after three aggravated burglaries, thought to be linked, across Auckland overnight.
Service stations in Ormiston, Te Atatu and near Auckland Airport were robbed between midnight and 3am.
Police have linked two vehicles to the robberies, one of which was spotted by a police patrol in Western Springs and followed overhead by the police helicopter Eagle.
Eagle saw the vehicle driving on the wrong side of the motorway on several occasions.
It then crashed into a police car as it exited the Rimu Rd on-ramp in Mangere.