Amy Schumer, Hollywood react to Louisiana theatre shooting

Amy Schumer is among the many celebrities expressing their shock and grief on social media over a deadly theatre shooting in Lafayette, Louisiana.

• Louisiana theatre gunman had history of mental illness: court records
• ANALYSIS | The 'public health crisis' that is America's gun culture

The shooting, which left two dead and nine injured, occurred during a screening of Schumer's box-office hit Trainwreck.

Schumer wrote and stars in the film, where she plays a monogamy-averse magazine writer who falls in love with a sports doctor despite her best efforts.

Schumer was re-tweeted by thousands of people, including Trainwreck cast member and comedian Mike Birbiglia.

Wrestling star John Cena, who plays Schumer's boyfriend at the start of the film, also tweeted about the shooting, as did ​Trainwreck cast member and comedian Dave Attell.

Lena Dunham, who has worked with Trainwreck director Judd Apatow on her television show Girls, expressed shock and dismay at the news. Dunham's comedy is similar to Schumer's; both have been considered 'raunchy' for their portrayals of women, and tend to show more typical female body types on screen as opposed to the model-thin actress norm.

Other well-known entertainers expressed their grief. King of Queens comedian Patton Oswalt was one of the first to express his sympathies for the victims and their families.

Popular comic book writer and comedian, Kevin Smith, also despaired over the shooting.

Emmy-nominated actress, Jenna Fischer, who played Pam Beesly on The Office, waded in by broaching gun politics.

Bob Gazzale, head of the American Film Institute, issued a statement to Hollywood news website The Wrap about the shooting:

"Going to a summer movie is a celebration of the American creative spirit and one of our nation's most beloved pastimes. Let us stand together in these times of tragedy and embrace what is precious to us — churches, schools and places where the arts can send our spirits soaring. As a national community of artists and audiences, AFI offers our heartfelt sympathies to the victims in Louisiana and their families."

English singer-songwriter, Sam Smith, reeled on Twitter.

Louisiana Governor and presidential hopeful Bobby Jindal travelled to Lafayette late Thursday night after the shooting. He tweeted that he was grateful for law enforcement's quick response to the shooting. Lafayette Police Chief Jim Craft credited law enforcement's quick response with forcing the shooter back into the theatre.