The U.S. Secret Service has closed off the North Lawn of the White House and directed all press personnel to shelter in the James S. Brady Press Briefing Room, according to reports emerging Tuesday morning.

No official explanation has been provided for the sudden security measure, leaving journalists and the public awaiting further details. The lockdown was first noted by local press outlets, with posts found on X indicating the Secret Service’s actions around 11:02 a.m. CDT.

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Reports continued on social media, with information stating an ALL CLEAR had allegedly been declared shortly thereafter:

Another report suggested a tourist threw an item over the White House fence, prompting the response, though this remains unconfirmed by authorities. The lack of immediate clarification has fueled speculation online, with some describing the situation as “mysterious” and others suggesting a potential security breach.

The White House has not issued a statement, and Press Secretary Karoline Leavitt was unavailable for comment at the time of this report. Historical precedent shows that such measures are rare and often tied to immediate threats, as seen in past incidents, such as the 2014 White House perimeter breach.

The Secret Service, responsible for White House security, typically relocates protectees to secure locations, such as the Presidential Emergency Operations Center, during such incidents. However, no information has been released regarding the President’s whereabouts or the nature of the current threat.

Updates are expected as the situation develops, with authorities likely to address the press once the area is deemed secure. The public and media await official word on what prompted this unprecedented midday lockdown.