Robbery investigation underway near 43 and Montana in Milwaukee

MILWAUKEE (CBS 58) – Milwaukee Police are investigating a robbery on the city's southwest side. 

It happened in the area near 43rd and Montana, near Jackson Park. A man who lives nearby says it's the first time he's seen a crime like it in the area. 

He says he heard someone scream and knew something was wrong. 

"The dog barked before the scream so she knew something was up and that's when I came outside and next thing you know it was a crime scene," said Jim Collelo who lives nearby. 

The Criminal Investigation Bureau is investigating.

This is a developing story, stay with CBS 58 on air and online for updates.