Chicago police are warning Roseland residents about a series of robberies that occurred recently in the South Side community area.

In each incident, a group of six or seven males approached people as they were standing alone, beat them, then stole their property, Chicago police said. In once robbery, one male was holding a gun.

The robberies occurred:

· About 2:30 a.m. July 3 in the first block of West 103rd Street;

· About 1 a.m. July 4 in the 300 block of East 109th Street; and

· About 12:30 a.m. July 8 in the first block of West 95th Street.

The robbers were described as males between 16 and 19 years old wearing dark clothing, police said.

Anyone with information about these robberies is asked to call Area South detectives at 312-747-8273.