Attack on a Brooklyn Subway Train

A person of interest has been identified in the attack on a Brooklyn subway train that injured around two dozen people.

A guy who allegedly posted violent musings on the internet.

Authorities claim James has ties to both Wisconsin and Philadelphia.

According to New York Police Commissioner Keechant Sewell, no one was killed in the attack, but at least 29 people were hurt. 

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Before firing, the attacker detonated two smoke bombs while wearing a gas mask.