Studios have elected to delay their release of weekend box office numbers until Monday when final numbers are available, in the wake of the Thursday night shootings at a midnight showing of The Dark Knight Rises in Aurora, Colorado (see "'TDKR' Midnight Shows Do $30.6 Million"). 

Among other reactions, The Dark Knight Rises director Christopher Nolan and stars Gary Oldman, Anne Hathaway, and Christian Bale all released statements expressing sympathy for the victims and their families. Nolan’s statement said, in part:

"I believe movies are one of the great American art forms and the shared experience of watching a story unfold on screen is an important and joyful pastime.  The movie theatre is my home, and the idea that someone would violate that innocent and hopeful place in such an unbearably savage way is devastating to me."

Ads for the film were pulled from NBC, CBS, and ESPN by the networks and later at Warner Bros. request in at least one case, according to the Los Angeles Times.  Warners is also removing references to guns from the ads and trailers as soon as possible, according to TMZ. 

Warners removed trailers for the upcoming film Gangster Squad, which depicts armed attackers opening fire in a movie theater, from showings of The Dark Knight Rises and the Internet, according to E! Online.

And Warners has suspended some public relations activity for the film, cancelling the film’s Paris premiere and red carpet festivities with the stars planned for Mexico and Japan, according to Variety.   

Here in the U.S., theater chain AMC banned face-covering costumes and fake weapons at its theaters, according to its Facebook page.