A 26-year-old woman was torched by a madman on a Chicago train Monday night — more than a week after another straphanger was stabbed in the chest at Windy City station, according to police.

The 45-year-old assailant allegedly doused the woman with a liquid and set her ablaze after the two got into a heated argument aboard a Chicago Transit Authority Blue Line train near Clark and Lake streets in the Loop around 9:25 p.m., the Chicago Police Department said, according to multiple reports.

The train rolled to a stop at the Clark/Lake Station and the unidentified attacker bolted, while the badly burnt straphanger staggered out of the car and collapsed — with the flames already out by the time police arrived, NBC 5 Chicago reported.

The victim was rushed to Stroger Hospital in critical c

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