One seriously injured in crash outside Glendowie School

One person has been seriously injured following a two-vehicle crash in Auckland's Glendowie.

A police spokeswoman said the crash occurred on Riddell Rd, Glendowie, about 2.50pm on Monday.

The crash occurred near Glendowie School.

One person is in a serious condition and the road was partially blocked while emergency services attended the scene.

A Fire and Emergency spokeswoman said a number of fire trucks attended the scene and crews extricated a person trapped in a vehicle.

St John treated two patients and transported one to Auckland Hospital.

A witness told the Herald they heard a smash and saw "cars spinning, car parts flying through the air and smoke".