Nobody was hit by gunfire and the firearm was legally registered, a spokeswoman said.
No one has reported property damage and no victims have come forward, police said.
In the first incident, a man and a girl reported that there appeared to be a bullet hole in an inside wall of their home at about 9:40 Saturday morning.
Police blocked off a stretch of Pacific Coast Highway early this morning after officers investigating a hit and run collision were fired upon by unknown suspects, police said.
Police have so far not identified any victims or suspects in a shooting that hit two parked cars outside of Long Beach Cafe in Downtown.
Long Beach police are investigating two separate shootings on Thursday evening and early Friday morning that left no victims and few witnesses, authorities said.
Officers found evidence of a shooting, but no injuries were reported.
A report of shots being fired at Kaiser Permanente Medical Center in Downey today prompted a massive law enforcement response.
No one was hit—but one vehicle was damaged—during a shooting this morning in Central Long Beach.