ST. LOUIS – Surveillance video captured a burst of gunfire in an alley just off Arsenal Street on March 4, leaving a 20-year-old man dead and raising concerns of possible retaliation and escalating community violence.

The video shows a vehicle pulling into an apartment building parking lot in the 6600 block of Arsenal on March 4. About 20 seconds later, multiple shots rang out. At least two people are seen on video firing guns.

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