Suspected Plague Case in Siberia: Russia Assures Control, US Monitoring After Researcher's Death

A lab technician at the Plague Research Institute in Irkutsk, Siberia, died of unidentified pneumonia, raising concerns of a possible plague case. Russian authorities claim the situation is under control, while US Secretary of State Marco Rubio says the US is monitoring closely. The cause of death remains unconfirmed, and the risk of an outbreak is uncertain.