NewsVIDEO: Article 50 triggered: What happens now?Here are some of the milestones expected along the way to the United Kingdom's final withdrawal from the European Union.By The NewsroomPublished 29th Mar 2017, 08:45 BSTUpdated 9th May 2017, 18:29 BST Brexit: Article 50 has been triggeredRelated topics:European UnionUnited Kingdom