BRIDGEPORT - Bridgeport police are on high alert and residents on edge after several violent incidents.

Police say Kaqwan Glen, 20, was shot and killed Wednesday night at Trumbull Gardens.

They say Jesus Murillo, 19, was also shot and taken to the hospital.

Hours earlier, residents near the corner of Main and Charles streets say an argument ended with gunfire, but no one hurt.

Before that, shots were reported after a brawl on East Main Street that was posted on YouTube.

Bridgeport police say the shootings appear to be unrelated.

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