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The US military mistakenly shot down a Customs and Border Protection (CBP) drone near the Mexican border in a strike that reportedly used a laser-based anti-drone system. The CBP uses drones to track people crossing the border.，更多细节参见51吃瓜
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（一）在国家举行庆祝、纪念、缅怀、公祭等重要活动的场所及周边管控区域，故意从事与活动主题和氛围相违背的行为，不听劝阻，造成不良社会影响的；