NORWALK (CBSLA) — A street takeover brought traffic to a halt on the 5 Freeway in Norwalk late Thursday.

About 50 vehicles stopped on the freeway to gather illegally at about 10 p.m. Witnesses to the takeover say they even saw fireworks set off.

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Video shared on social media showed dozens of people walking around in lanes, cars revving their engines and driving in circles, and fireworks going off underneath an overpass.

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By the time police arrived the takeover had broken up, and all the people involved were gone.

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It’s not known if any arrests were made or citations were issued.