Police are appealing for witnesses after a woman was assaulted.
The 19-year-old woman was assaulted outside the Travellers Joy Pub in Downhall Road, Rayleigh, on Saturday, April 29, between 10:30pm and 11:20pm.
He then forced her to get on a train at Rayleigh station and continued to assault her.
She was assaulted again when she got off the train at Prittlewell station.
The woman managed to get to get a place of safety and police were called.
He left the scene before officers arrived.
The suspect was described as white, 6ft tall and of stocky build with short red hair. He is believed to be in his mid-30s.
Anyone with information is asked to contact Pc Kerry Auger at Southend police station on 101 or Crimestoppers anonymously on 0800 555 111.