Four teenagers injured in Perth crash

Four teenagers have been injured when a 17-year-old driver lost control of a car and crashed into them and a parked car in Perth's north.

The teenagers, aged from 14 to 17, were taken to hospital, but the male driver was not injured in the crash in Ballajura on Saturday night.

In a separate incident, a motorcyclist lost control after hitting a kerb and crashed at an intersection in Cloverdale, in Perth's east, on Friday night.

The motorcycle caught fire and the 29-year-old man received serious burns to his body.