A motorcylist has been killed in a crash involving a truck in Flatbush, South Auckland, tonight.

Emergency services were called to the scene of the accident, at Stancombe Rd, shortly after 7pm.

A St John spokeswoman said one person - the motorcyclist - died instantly. No other people were treated for injuries or taken to hospital.

Police are still at the scene and the Serious Crash Unit will be investigating the circumstances of the crash.