A woman will require plastic surgery for serious burns after she sat on a New Zealand public toilet smeared with an unknown chemical, media reported. The woman was one of four to suffer burns from the chemical, which had been smeared on seats and other areas in a public toilet in a park in the city of Christchurch, in the early hours of Saturday, the New Zealand Press Association reported. "It appears that a clear, gel-like substance had been smeared on the toilet seats, press-down buttons and on the building's walls," said Senior Sergeant Neru Leifi. A sample of the...