An unnamed attacker killed two workers on Tuesday at a popular tourist attraction in Chicago after being fired last month.
As of late Tuesday, police were still seeking a person of interest. Belmont Area detectives remained at the scene ...
The popular tourist attraction known for its massive ferris wheel was on lockdown for two hours, Illinois police said.
A disgruntled ex-employee fatally shot two workers Tuesday at Navy Pier before fleeing, prompting a manhunt, officials said.