The United States Secret Service said Monday that an agent reportedly assigned to President Joe Biden’s granddaughter — opened fire during an attempted break-in of one of its unmarked vehicles on a Washington street.

It was not Immediately clear whether Naomi Biden, 29, was in the vicinity during the incident in the wealthy Georgetown area.

“On Nov. 12 around 11:58 pm…, Secret Service agents encountered possibly three individuals breaking a window on a parked and unoccupied government vehicle,” the presidential protection service agency’s spokesman Anthony Guglielmi said in a statement posted to X, formerly Twitter.

“During this encounter, a federal agent discharged a service weapon and it is believed no one was struck,” he said, adding that the suspects fled the scene and that “there was no threat to any protectees.”

The car was part of the security detail for Naomi Biden, US media reported. (AFP)