Woman critical after Qld two-car crash

A woman is in a critical condition and a man has been arrested following a two-car crash in Brisbane's south.

A 33-year-old woman was injured after her car was involved in a crash and the vehicle hit a power pole before landing on its side about 9.30pm at the corner of Clendon Street and Progress Road at Wacol.

Officers said the 24-year-old driver of the other car fled the scene and was tracked down to bushland in Richlands, where he was bitten on the upper thigh by a police dog and taken to hospital.