(KRON) -- Four juveniles were arrested after allegedly hitting a victim and threatening him with a gun during a robbery in Brentwood Saturday night, according to the Brentwood Police Department. An officer was flagged down by security at around 7:45 p.m. at the Streets of Brentwood shopping center. It was reported that armed robbery suspects had just fled the area in a vehicle, police said. The victim, a juvenile, told authorities that four suspects confronted him and a friend. One of the suspects allegedly hit the victim in the face, while another threatened him with a firearm and demanded his belongings. Stolen gun seen inside handicap parked car leads to arrest: Brentwood PD The victim was not injured in the armed robbery, police said. Shortly after Brentwood PD received the report, an officer in Oakley spotted the suspect vehicle and conducted a traffic stop. Four juveniles were detained while police said they recovered a firearm and the victim’s stolen property from the vehicle. The four juvenile suspects were arrested and booked into juvenile hall for robbery, conspiracy to commit a crime and other related offenses.