Police are investigating a double shooting that occurred in Yonkers.Officials say the shooting happened at around 10 p.m. Monday near Palisade Avenue and Elm Street.Police say one man was shot in the back and taken to Jacobi Medical Center in the Bronx. A second man was wounded in the foot and taken to Saint Joseph's Medical Center.Witnesses say they saw two or three men flee the scene in different directions after the shooting. The victims are expected to be OK.