By CBS 2 Chicago Staff

CHICAGO (CBS)– Valet drivers and businesses on the Near West are being warned to be on alert after carjackings.

Chicago police said in one incident, an offender held a gun against a valet driver’s stomach and demanded keys to two cars.

A second offender drove off in one of them.

In another incident, police said a carjacker grabbed keys to multiple cars out of a valet’s box and threatened the driver with a gun before driving off.

CBS 2 Chicago Staff