Officers responded to a series of reported shootings on Cambridge Street during the early morning hours.
CBS 3 media partner Mass Live and The Republican reported that six rounds of gunfire at 34 Cambridge St. started the commotion with later calls from 54 and 50 Cambridge.
The last call came at 3:30 a.m. when a single round was fired.
It appeared the only damage was to a window at 50 Cambridge St.
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