CHICAGO (WLS) -- Two people were injured in a shooting on a CTA bus on the Northwest Side, a witness said. The witness said the shooting occurred on the #77 Belmont bus near Cicero Avenue. Bullet holes could be seen on the bus. The CTA said buses are being rerouted in the area using Cicero, Addison and Laramie.

At least one person was killed and several others were wounded in weekend shootings in Chicago, according to police. The ages of the victims range from 20 to 50. In the first shooting of the weekend, a man, 24, was shot during an attempted robbery just before 9 p.m. in the 300 block of South Whipple Street.

One person is dead and another is injured following a shooting in Sacramento Sunday night, the Sacramento Police Department said.