Dozens of rescue crews are scouring the New South Wales north coast for a shark, believed to be a great white, that fatally attacked a surfer on Monday morning.
Tadashi Nakahara, 41, a Japanese national who lived in the area and was popular in the local surfing community, died at Shelly Beach, a well-known tourist spot in Ballina, just before 10am, according to the Sydney Morning Herald.
Surfers who were in the water at the time said they saw the shadow of the shark and estimated it to have been between 3.5 and four metres long.
Police are waiting for scientific advice about the species of shark, which will help them determine how much risk it poses to swimmers and whether it was the same shark involved in another, non-fatal attack 25 kilometres away at Seven Mile Beach in Byron Bay on Sunday.
Mr Nakahara was sitting on his surfboard when the shark came up beneath him, taking off both of his legs and pulling him off his surfboard.
All beaches along the 15-kilometre stretch from Lennox Head to South Ballina have been closed.
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