Sarah Scott, 16, was told the black top bearing the words "Abortion is Murder" in red was offensive.She was warned she faces exclusion from her school, Banff Academy in Aberdeenshire, if she wears it again.Sarah, who has a four-month-old son, claimed her freedom of speech had been violated.She said: "I was wearing the T-shirt when a teacher approached me and that I was never to wear it again because she found it offensive."I was told I could be excluded from school if I wear it again.