Australian authorities on Wednesday found a radioactive capsule smaller than a coin that was lost in the vast Outback after nearly a week-long search along a 1,400 kilometres (870 miles) stretch of highway, officials said.
The Caesium-137 capsule was discovered when a vehicle travelling at 70 kms per hour equipped with specialist detection equipment picked up the radiation, according to officials from the state of Western Australia.
The search team then used portable detection equipment to find the capsule, which was located about 2 metres from the side of the road, they added.
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