Richmond Police received a tip about a potential mass shooting on July 4 and were able to thwart the attack before it happened.

Richmond Police Chief Gerald Smith is set to hold a press conference at 2 P.M. EDT to reveal details of the planned attack and police response, NBC12 reported.

HIGHLAND PARK JULY 4 SHOOTING SUSPECT HAD TWO PRIOR INCIDENTS OF SUICIDAL, VIOLENT THREATS, POLICE SAY

Richmond police say the tip led to the seizure of multiple firearms.

The news comes after a July 4 mass shooting in Highland Park, Illinois, left seven people dead and dozens more injured.

The suspect in that case, Robert E. Crimo III, may have shown previous signs that he was plotting an attack, but red flag laws in the state were not able to thwart the massacre.

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"In September 2019, ISP received a Clear and Present Danger report on the subject from the Highland Park Police Department. The report was related to threats the subject made against his family," Illinois State Police said in a statement.

This is a developing story.