A 48-hour walkout started this morning leading to a complete shutdown of the Southern network across Sussex, with only Thameslink trains running between Brighton and London. ASLEF has joined the RMT union in a dispute with rail operator Govia Thameslink Railway over its plans to introduce driver-only operation on Southern services. As part of proposals conductors would become on-board supervisors and drivers would open and close train doors. Both ASLEF and Southern are due to hold talks hosted by mediation service ACAS on Wednesday, according to national reports. More to follow. 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.