Amy Schumer reacted quickly Thursday night to the fatal shootings during a screening of her movie "Trainwreck."
A drifter identified as 59-year-old John Russel Houser shot and killed two people and wounded nine others at a theater in Lafayette, Louisiana. He then turned the gun on himself, police say.
Schumer wrote"Trainwreck" and stars as a magazine writer who begins to rethink her lifestyle. The movie grossed $30 million last weekend when it opened.
Other celebrities also responded to the killings:
Also on HuffPost: