Truck, motorcycle crash kills Sydney teen

A teenager has died after his motorcycle collided with a two-tonne truck in Sydney's south.

The motorcyclist, believed to be aged in his late teens, was taken to hospital following the accident in Sylvania on Friday morning but later died of multiple injuries.

The driver of the truck, believed to be in his 50s, was taken to hospital for mandatory tests.

Also on Friday morning, a man was killed after his car slammed into a power pole, went over a guard rail and crashed into a ditch in the Hunter region.