A spokesman for British Transport Police (BTP) said: “We were called at 8.19am on Friday, July 31, to reports of an assault on a member of rail staff at Merstham station. “Colleagues from Surrey Police also attended and spoke to a man who had been assaulted by a man who subsequently left the station. “No arrests have been made and enquiries into the incident are ongoing.” The incident came to light on Twitter as frustrated commuters tweeted Southern Rail to ask what had caused the delays. Around 8.30am, Southern Rail tweeted: “There is a train currently a stand at Merstham on the line travelling away from London, delays may occur.” Anyone with information is asked to contact British Transport Police on 0800 40 50 40, or text 61016, quoting reference 114 of 31/07/2015. Information can also be passed anonymously to the independent charity Crimestoppers on 0800 555 111. Don’t miss out on all the latest breaking news where you live. Here are four ways you can be sure you’ll be amongst the first to know what’s going on. 1) Make our website your homepage 2) Like our Facebook page 3) Follow us on Twitter 4) Register with us by clicking on ‘sign in’ (top right corner). You can then receive our daily newsletter AND add your point of view to stories that you read here. And do share with your family and friends - so they don’t miss out! Always the first with your local news. Be part of it.