He was elected as an MLA for Foyle in May 2016 but lost his seat in January 2017 when the number of seats in the Foyle constituency was reduced from six to five. McCann and People before Profit attracted criticism from Sinn Féin and pro-EU activists for supporting Brexit in an area with the fourth-highest 'Remain' vote (out of approximately 400 counting areas) in the whole of the United Kingdom.
