Friend of boy, 12, mauled by shark reveals how he leapt in bloodied waters to save pal as youngster fights for his life

A BRAVE friend of a 12-year-old boy who was mauled by a shark in Sydney Harbour has told how he jumped into bloodied waters to save his mate. Nico Antic was rock jumping with two friends from a six-metre-high ledge at around 4.20pm when he was attacked by what is believed to be a bull…