Riverwood High School in Sandy Springs was locked down Wednesday afternoon after a “very general bomb threat” was picked up on social media, police said.

Law enforcement responded to the school and found nothing.

Channel 2 Action News reported the threat was sent through a program called Yik Yak. The app allows users to share and view a wall of anonymous posts about anything from people nearby.

The school at 5900 Heards Drive, N.W., is no longer locked down.

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The city of Brookhaven's mayor and City Council last week decided to remove the colored panes of glass from the dome of Brookhaven's new City Centre after residents objected to the brightness of the colors, seen here Friday, June 27, 2025. (Reed Williams/AJC)

Credit: Reed Williams/AJC