Update, 3:34 p.m. ET: The Ferguson police chief said Friday afternoon that the officer who shot Michael Brown did not know he was a robbery suspect at the time. Read more.

Ferguson, Missouri, police on Friday released the security camera footage they say shows Michael Brown in a physical confrontation with a convenience store clerk minutes before Brown was fatally shot by a police officer.

In the footage, dated Aug. 9, a man wearing a white T-shirt, shorts and a baseball cap appears to reach behind the counter and grab a box, then shove a shorter man who came from behind the counter and tried to block him from leaving the store. Police said Brown, 18, stole a box of cigars in a “strong-arm” robbery.

These images provided by the Ferguson Police Department show security camera footage from a convenience store in Ferguson, Mo., on Aug. 9, 2014, the day that Michael Brown was fatally shot by a police officer. A report released Friday, Aug. 15, 2014, by Ferguson Police Chief Thomas Jackson says the footage shows a confrontation between Brown and an employee at the store. The report says that Brown and his friend, Dorian Johnson, stole a box of cigars from the store shortly before Brown’s death. (AP Photo/Ferguson Police Department)

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