By CBS 2 Chicago Staff

CHICAGO (CBS) — Four people were shot late Saturday afternoon in the Chicago Lawn neighborhood.

Police said multiple people were standing in the 6800 block of South Claremont Avenue around 5 p.m. when they heard shots and felt pain.

A 23-year-old man was shot in the lower back and a 39-year-old woman was shot in the right calf. Both were taken to the University of Chicago Medical Center, where their conditions were stabilized.

A man about 30 years old was taken to Advocate Christ Medical Center in critical condition with multiple shots to the abdomen, and a 38-year-old man was taken to the same hospital, where his condition was stabilized, after suffering a shot to the right ankle.

A witness said the assailant, a man standing 5 feet 6 inches to 5 feet 7 inches tall, fled east in the alley north of 69th Street.

Area One detectives were investigating.

The incident was one of two mass shootings in Chicago within a period of an hour. The second incident happened several miles south in West Pullman.

Multiple people were in the 12200 block of South May Street at 5:38 p.m. when they heard shots and felt pain, police said.

Witnesses said two black sedans came down the street and people inside started shooting at people who were standing on the sidewalk, on a porch, and inside a home, police said.

A 24-year-old man was shot in the right foot and a 29-year-old man was shot in the left torso and forearm. Both were taken to Advocate Christ Medical Center in Oak Lawn, where their conditions were stabilized police said.

A man about 50 years old was taken to the University of Chicago Medical Center after being shot in the right ankle. His condition was also stabilized, police said.

A fourth man of an unknown age was shot multiple times in the chest and was taken to Advocate Christ in critical condition, police said.