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La Grange and La Grange Park police are investigating two alleged armed robberies that occurred over the weekend.

In the first instance, two 16-year-old boys were robbed about 9:15 p.m. Jan. 29 near the intersection of Cossitt and Spring avenues in La Grange, according to a news release from police.

The 16-year-olds were approached by two men on foot who brandished firearms and demanded their cellphones and money, police said. The two handed over their property and no one was injured, police said. The robbers fled on foot, east on Cossitt Avenue.

The two 16-year-olds ran three blocks west to Lyons Township High School and called police.

In the La Grange Park incident, three males approached four juveniles at about 8:30 p.m. Jan. 30 at the northeast corner of Brewster and Kensington avenues, police said. They allegedly brandished firearms and demanded the juveniles’ money and cellphones. The juveniles handed over their property and no one was injured, police said. The offenders fled on foot, police said. The four ran two blocks northeast to the La Grange Park Police Department to report the crime.

La Grange Park police did not provide a description of the alleged robbers but said in a news release the two crime is very similar to the La Grange incident.

In the La Grange incident, police described one of the men as black, about 20 years old, about 5 feet, 10 inches to 6 feet 1 inch tall, with a slim build and wearing a baseball cap, grey hooded sweat shirt and dark pants. Another man is described as a black, about 20 years old, about 5 feet, 7 inches to 5 feet, 11 inches tall, with a heavy build, dreadlocks and wearing a dark jacket.

The two departments are working together on the investigation. Both departments increased patrols on residential streets and are asking residents to report anything suspicious by calling 708-579-2333.

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