Two strong-arm robberies have been committed in Bucktown in the past week, police said. View Full Caption Chicago Police

BUCKTOWN — Police are asking Bucktown residents to be on the lookout for three men they believe committed two robberies in the past week, according to a police alert.

In each case, police said, the men walked up to someone on the sidewalk and punched them before rifling through their pockets and robbing them.

The first incident occurred around 3:50 a.m. April 11 in the 1700 block of North Milwaukee Avenue, police said.

The second robbery occurred at 4:45 a.m. Thursday in the 1700 block of West North Avenue, police said.

Police described all three robbers as black men in their 20s, standing around 5 feet 9 inches and weighing between 160 and 180 pounds.

One man is described as having a dark complexion and blonde dreadlocks, police said. He was wearing a white jacket during one robbery and a green military jacket during the other.

Another man has dark hair and was wearing a brown-and-white puffy jacket during one incident, police said. During the other robbery, he was wearing a dark blue hoodie.

The third man, police said, wore a black shirt during one robbery and a dark blue hoodie during the other.

Anyone with information on the suspects or the robberies is asked to call detectives at 312-744-8263.

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