Russia has carried out a “psychological” attack on Ukraine on Wednesday by spreading a fake warning of an imminent air attack, Kyiv’s top spy agency said. A “massive information-psychological attack” had been staged,

LONDON -- The U.S. Embassy in Kyiv temporarily closed its doors on Wednesday out of "an abundance of caution," as it warned that a potentially "significant" air strike may be coming. "The U.S. Embassy recommends U.S. citizens be prepared to immediately shelter in the event an air alert is announced," the embassy said in an update.