Woman, girl assaulted on public transport

A woman and a teenage girl have both been sexually assaulted on Melbourne public transport and believe the incidents are linked.

The 14-year-old girl was allegedly assaulted on a bus from Dandenong on February 16.

The 21-year-old woman alleges she was assaulted on a train, near South Yarra station, in November 2016.

Police are searching for their attacker.