Katie Gee and friend Kirstie Trup, both 18, had the corrosive substance thrown in their faces by two men on a moped as they strolled through Stone Town, in the capital of the island, around 8pm last night One of the British teenagers attacked with acid in Zanzibar was assaulted in the street just weeks earlier for "singing during Ramadan". Katie Gee and friend Kirstie Trup, both 18, had the corrosive substance thrown in their faces by two men on a moped as they strolled through Stone Town, in the capital of the island, around 8pm last night. The girls...