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Stolen Mexican radioactive material found

5 December 2013 Last updated at 04:51 GMT

Radioactive medical material taken when a truck was stolen near Mexico City on Monday has been found, local officials say.

The material - cobalt-60 - was removed from a protective casing and then abandoned nearby.

The thieves may have been exposed to life-threatening radiation levels, but there is no health risk for local residents, the officials say.

Will Grant reports from Mexico City.