The Department of Homeland Security’s inspector general has opened an investigation into the Secret Service’s handling of security for former President Trump’s rally in Pennsylvania over the weekend.

In a brief notice posted to the inspector general’s website, the agency said the objective of the probe is to “Evaluate the United States Secret Service’s (Secret Service) process for securing former President Trump’s July 13, 2024 campaign event,” during which there was an assassination attempt against Trump.

This is a developing story. Please check back for updates.

The Associated Press contributed to this report.