白宫在游客向北草坪围栏投掷物体后被封锁;特勤处疏散记者。 White House lockdown after tourist throws object over North Lawn fence; Secret Service evacuates reporters.

在一名游客向北草坪围栏投掷不明物体后,白宫被封锁起来。 The White House was placed under lockdown after an unidentified object was thrown over the North Lawn fence by a tourist. 特勤局疏散了记者 等待在外面 白宫简报室 作为安全预防措施。 The Secret Service evacuated reporters waiting outside into the White House briefing room as a safety precaution. 封锁持续了约30分钟后才解除,没有透露关于物体或威胁的进一步详情。 The lockdown lasted about 30 minutes before it was lifted, with no further details on the object or threat released.