Man robbed at knife point at Red Line station — fourth CTA attack in less than a week

A man was robbed at a Red Line station early Wednesday morning — the fourth CTA-related attack in less than a week.

The man, 25, was on the elevator at the station in the 1100 block of South State Street about 12:40 a.m. when four people took his backpack at knife point and punched him in the face, Chicago police said.