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Osborn was one of three detectives killed in an explosion after a grenade detonated at the Biscailuz Training Facility in East L.A. on July 16.
The outage was reported shortly after 5 a.m.
The Santa Clarita Valley and Inland Empire will experience the worst air quality on Tuesday, according to South Coast AQMD.
The shooting was reported just after 3 a.m. about one block from MacArthur Park.
The man had a concerning message written on the hood of the van, as seen in aerial footage.
The blaze ignited Friday in the Los Padres National Forest, around 15 miles east of Santa Maria.
The homeowner fired a gunshot during the incident, but police said there's no evidence that anyone was struck.
Of the suspects, one is a relative of a Simi Valley Police officer, the department said.
The Los Angeles Police Department confirmed he was arrested on suspicion of possession of a firearm while being a felon.
The LAFD said two people were in critical condition.
The earthquake was reported at about 11:19 a.m. Saturday, according to the USGS.
The Los Angeles County Sheriff's Department said deputies discovered five firearms, including two assault-style weapons, in Perryman's vehicle.
The terms of the deal weren't immediately clear as of Saturday morning.
The suspect hopped the property's gate and broke a window but did not make entry into the home, police said.
The advisory remained in effect along the coast between Santa Barbara and Humboldt counties, the NWS confirmed at 6:20 a.m.