A 60-year-old man was detained at London's Heathrow Airport after receiving a package containing traces of uranium, Voice of America reports, citing London police.. The man was arrested on suspicion of terrorism, but was soon released on bail.

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A small amount of uranium was found in a parcel that arrived at Heathrow Airport on December 29 in the name of the suspect.. The head of the counterterrorism command of the London police, Richard Smith, said that despite the arrest, the incident "

Yesterday the police arrived at a designated address in Cheshire and the man was taken to a police station in the northwest of England, and today he was released on bail until April.

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Uranium is a weakly radioactive silver-white metal.. Uranium has no stable isotopes.

The most common isotopes of uranium are uranium-238 (in natural uranium is 99.3%) and uranium-235 (content in natural uranium is 0.7204%). The uranium isotope 235U has the greatest application, in which a self-sustaining nuclear chain reaction of nuclear fission by thermal neutrons is possible.. Therefore, this isotope is used as fuel in nuclear reactors, as well as in nuclear weapons.. Separation of the 235U isotope from natural uranium is a complex technological problem.