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Mexico finds stolen radioactive material amid dirty bomb fear

Federal policemen stand guard in front of the National Institute for Nuclear Research. (AFP)

Mexican police have found dangerous radioactive medical material stolen by thieves that the United Nations said could provide an ingredient for a "dirty bomb," the country's national nuclear safety commission CNSNS said.

The truck was found close to where it was stolen outside Mexico City. The thieves removed the radioactive material from a protective case, exposing them to dangerous levels of radiation then dumped it less than a mile away.

The truck was stolen on Monday while it was taking cobalt-60 from a hospital in the northern city of Tijuana to a radioactive waste-storage center, Mexican officials and the UN agency said earlier.

"Both the container and the radioactive source have been located," said Mardonio Jimenez Rojas, an official at the commission, told reporters. "The radioactive source was removed from its container and was found a kilometer away."

"The thieves were exposed to radiation," he added, saying those exposed to the material could die. Experts were working on how to secure the radioactive material in a protective container, he said.

The vehicle was seized when the driver stopped at a gas station in the town of Temascalapa, 35 km (22 miles) northeast of Mexico City. Truck hijacking is common in Mexico and the theft occurred in the State of Mexico, which is not a drug cartel stronghold.

"Our suspicion is that they had no idea what they had stolen. This is a area where robberies are common," Fernando Hidalgo, spokesman for the Hidalgo state prosecutor, said earlier.

Mexico's national nuclear safety commission published photographs of the cargo as it was being prepared for shipment, showing a reinforced case containing the medical device, which holds the radioactive material and which looks like part of a car axle. The box is marked with the hospital's name and "radioactive materials."

Apart from peaceful medical and industrial applications, experts say, cobalt-60 can also be used in a dirty bomb in which conventional explosives disperse radiation from a radioactive source.

The International Atomic Energy Agency, which has stepped up calls on member states to tighten security to prevent nuclear and radioactive materials from falling into the wrong hands, made no mention of any such risk in its statement on Wednesday.

The IAEA also did not give details on how much radioactive material was in the vehicle when it was seized. Inside a teletherapy device, cobalt-60 is used to treat cancer.

"At the time the truck was stolen, the (radioactive) source was properly shielded. However, the source could be extremely dangerous to a person if removed from the shielding, or if it was damaged," the IAEA said in a statement.

Cobalt-60, the most common radioactive isotope of the metal, has many applications in industry and in radiotherapy in hospitals. It is also used for industrial radiography to detect structural flaws in metal parts, according to the US Environmental Protection Agency.

The EPA said exposure to gamma radiation from cobalt-60 results in an increased risk of cancer.

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Tags:  World  Latin America  Mexico  US  Radioactive material  Dirty bomb  


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