CHICAGO - Chicago police are warning residents and visitors after a string of robberies across downtown parks and busy areas over the past two months.

What we know:

According to Chicago police, at least 13 robberies have occurred since Aug. 1.

The crimes happened in the areas of Grant Park, Millennium Park, New Eastside, the Loop, and the Magnificent Mile.

In each incident, one or more robbers approached victims who were alone, used physical force, and took their property, including gold chains or necklaces.

Here's a breakdown of the reported robberies by date and location:

Aug. 1 – 1100 block of S. Columbus Dr. (Grant Park), 9:30 p.m.

Aug. 2 – 200 block of E. Balbo Dr. (Grant Park), 9:45 p.m.

Aug. 11 – 300 block of S. Columbus Dr. (Grant Park), 3:44 p.m.

Aug. 13 – 300 block of

See Full Page