There has been a big rise in sexual offences on the region's rail network, according to figures out today from the British Transport Police.
There were 55 incidents last year - that's up 33 per cent. But the force says overall crime is down for the eleventh year in a row.
It follows a campaign to target lines with the worst problems and deploy more officers at night and weekends.
British Transport Police have released two CCTV images of two passengers they would like to speak to in connection with an incident onboard a train between Weston Milton and Nailsea & Backwell stations.
Officers say alleged abusive and racist comments were made between 9pm and 9.30pm on Tuesday 11 June, which left passengers and train staff upset.
British Transport Police have issued these CCTV images of a man they would like to speak to in connection with an alleged incident where a woman was inappropriately touched during the journey.
Railway Police say a Bristol woman in her 20s was travelling on the 17:55hrs Cardiff Central to London Paddington service on June 3rd when the alleged incident happened.
British Transport Police have confirmed that one person has died after a train hit a car on a level crossing in Somerset. It happened near Athelney, which is on the line between Taunton and Castle Cary.
There were no reports of any passengers on the train being injured in the crash.
The car is trapped under the front of the train and services are stopped in the area. First Great Western is operating replacement buses between Taunton and Westbury.
British Transport Police (BTP) wish to speak to two men in relation to a trespass incident near a railway crossing in Gloucestershire.
A South West Coast steam train was approaching the level crossing at Northway near Tewkesbury on the morning of Saturday 20 October 2012, when the driver saw a man on the tracks.
Police believe the man was taking photographs of the approaching train.
The driver stopped the train at the crossing to speak to the man. There he was verbally abused by a second male.
British Transport Police say they would like to identify the men pictured to assist with their enquiries.
Anyone with information can call British Transport Police on Freefone 0800 40 50 40 or the independent charity Crimestoppers on 0800 555 111.