By Andrew Robinson & Ewan Gleadow Tributes have been paid to a teenager who tragically died after going for a midnight swim with friends. Millie Ann Gentry, 19, had been on a student placement in Ghana. The nursing student from Gomersal, Cleckheaton, was just over two weeks into her one-month volunteering stint at a hospital in Ghana, West Africa, when the sad incident happened in the early hours of March 17 last year. Millie and her friend Erin Byrnes, from Halifax, were staying in lodgings in Busua, a beach resort. They decided to go for a late night swim in the sea with another friend, Lewi…