CHICAGO -- The CTA has released new video that shows what happened when a man set a fire inside a Red Line train last month.
The incident happened at the Argyle Station.
The surveillance video shows police officers trying to detain David Ferguson. As they fell to the ground a can of paint thinner spills and caught fire.
Ferguson suffered third-degree burns and is charged with aggravated arson and aggravated battery to a police officer.
The train's operator was treated for smoke inhalation.
A passenger on the train was also sprayed with paint thinner.