Russian authorities have quarantined about two dozen people and are monitoring hundreds more after a lab worker at a Siberian plague research institute died from a mysterious illness. The cause of death has not been confirmed, and testing is underway. @​GillianHTurner reports the State Department is in direct contact with Russia as officials seek more information. The World Health Organization says the risk to the general public is low, while Secretary of State Marco Rubio says the U.S. is monitoring the situation closely. Download the FOX News app to follow this developing story ▻