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Russia Says Nuclear Isotopes Found After Blast That Killed Five

  • Air tests showed ‘short-lived’ isotopes in radioactive cloud
  • Radiation situation stabilized, meteorological service says
Updated on

Russia said air tests found traces of nuclear isotopes after a deadly blast that killed five atomic scientists and caused a spike in radiation at a remote military facility.

Barium-139, barium-140, strontium-91 and lanthanum-140 were found in a cloud of radioactive gases that drifted over the city of Severodvinsk following the Aug. 8 explosion on a nearby offshore platform in the White Sea, the state meteorological and environmental monitoring service reported on its website Monday.