Authorities grounded three British Airways jetliners in London and Moscow on Wednesday and drew up plans to contact thousands of airplane passengers as they broadened their investigation into the radiation poisoning death of a former Russian spy.
Two planes at London's Heathrow Airport tested positive for traces of radiation, a third plane has been taken out of service in Moscow awaiting examination.
Our 2024 Coverage Needs You
Support HuffPost
Already contributed? Log in to hide these messages.