'Crocodile Hunter' Irwin killed
Australian naturalist and television personality Steve Irwin has been killed by a stingray during a diving expedition off the Australian coast.
Mr Irwin, 44, died after being struck in the chest by the stingray's barb while he was filming a documentary in Queensland's Great Barrier Reef.
Paramedics from Cairns rushed to the scene but were unable to save him.
Mr Irwin was known for his television show The Crocodile Hunter and his work with native Australian wildlife.
Police in Queensland confirmed the environmentalist's death and said his family had been notified. Mr Irwin was married with two young children.
Mr Irwin's manager John Stainton told the BBC the stingray's barb had pierced the personality's heart.
"He came over the top of a stingray and a barb, the stingray's barb went up and put a hole into his heart," he said.
"We got him back within a couple of minutes to Croc 1, which is Steve's research vessel, and by 12 o'clock when the emergency crew arrived they pronounced him dead."
The incident happened at Batt Reef, off Port Douglas.
Australian Prime Minister John Howard said he had known Mr Irwin well, and that the country had lost a "wonderful and colourful son".
"I am quite shocked and distressed at Steve Irwin's sudden untimely and freakish death", he said.
"It's a huge loss to Australia - he was a wonderful character, he was a passionate environmentalist, he brought entertainment and excitement to millions of people."
The stingray is a flat, triangular-shaped fish, commonly found in tropical waters.
Mr Irwin had built up what was a small reptile park in Queensland into what is now Australia Zoo, a major centre for Australian wildlife.
He was famous for handling dangerous creatures such as crocodiles, snakes and spiders, and his documentaries on his work with crocodiles drew a worldwide audience.
But he also courted controversy with a series of stunts.
He sparked outrage across Australia after cradling his one-month-old son a metre away from the reptile during a show at Australia Zoo.
An investigation was launched into whether Mr Irwin and his team interacted too closely with penguins and whales while filming in the Antarctic, but no action was taken.
Foreign Minister Alexander Downer praised Mr Irwin for his work to promote Australia.
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