The Latest Breaking News from Rio Tinto

The painstaking search along a 1400km route in Western Australia for a missing radioactive capsule which fell off a truck is expected to take five days.

The item, which is 6 mm by 8 mm in size, may have been caught in the tires of passing vehicles and taken off track to where teams are searching.

The mining giant Rio Tinto has apologised after losing a radioactive capsule in Western Australia. The tiny object disappeared along a 1,400-kilometre route between a mining site and Perth. It could put any person within a 5-metre radius at risk. Local authorities have launched investigations to understand how the capsule…

The exposure risk was low, but it "could cause radiation burns or radiation sickness," authorities in Western Australia said.