The Mayor of Derry City and Strabane District, Councillor Elisha McCallion, pictured with Clare Watson, Northern Ireland Manager of Epilepsy Action, second from left, and volunteers from the charity, Vera McCready, Colette McCool and Kathleen McLaughlin, outside Derry City and Strabane District Council Offices. The building was turned purple, the charity's colour, on Saturday 26 March to celebrate Purple Day, the global day of epilepsy awareness