The identity of one of four people who died in a cluster of drownings on the New South Wales coast in recent days has been confirmed as a Sydney hairdresser and mother. Berowra Heights woman Melissa Austin died at Dunbogan Beach in Camden Haven on the Mid North Coast in a suspected drowning. Ms Austin was attempting to save her child from a rip when she herself got caught in the dangerous swell. Members of the public provided first aid until emergency services arrived, but the 45-year-old could