Officers investigating an assault on a train between East Croydon and Redhill have released a CCTV image in connection with the incident.
At approximately 11pm on September 4, a man sat in the carriage struck a young girl opposite him in the aisle.
The suspect then left the train at Redhill station.
Officers believe the man shown in this CCTV image may have information which could help them investigate.
If you know who he is then please contact BTP by sending a text to 61016 or call 0800 40 50 40 quoting reference 102 of 04/09/2018.
Or ring Crimestoppers anonymously on 0800 555 11
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