CHICAGO — A 20-year-old man was stabbed in Humboldt Park on Saturday night, police said.

At 7:59 p.m., the man was walking with his sister in the 2500 block of West Division Street when a woman ran up to him, stabbed him and ran away, police said.

The man was stabbed in his shoulder and he took himself to St. Mary Hospital, where he was in good condition, police said.

No one was in custody.