The mysterious "slow-moving blob" detected in the skies over Washington Tuesday prompted a frantic response from security officials on the ground as they raced against the clock to assess the potential threat.
원문출처 : https://www.cnn.com/2019/11/28/politics/white-house-lockdown-scramble/index.html
원문출처 : https://www.cnn.com/2019/11/28/politics/white-house-lockdown-scramble/index.html