Votes are counted at Magherafelt in the race to become the largest party in Northern Ireland's Stormont Assembly. If Sinn Fein were to take the most seats it would be the first time since Northern Ireland came into existence that a non-Unionist party has been the largest group in its executive. Report by Edwardst. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn