Four robberies occurred over about an hour early Saturday morning, police said.
In the crimes, between two and four offenders approach the victims and show their handguns, demanding the victims' items and vehicles.
The robberies occurred in the:
-7400-block of North Western Avenue at 3:46 a.m.
-6700-block of North Richmond Street at 3:56 a.m.
-2100-block of West Estes Avenue at about 4:26 a.m.
-6800-block of North Western Avenue at 4:48 a.m.
Police said the suspects used a white sedan, white SUV, black Honda Civic and a blue sedan.
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