12 people were killed and over 50 more were wounded after a gunman opened fire while playing the latest Batman movie, The Dark Knight Rises, in Aurora.
President Obama has instructed the flying of flags at half mast for 6 days to honor the victims.
Obama said, authorities were trying to do as much as possible to help those who are shocked about this.
Wearing a gas mask opened fire at the premiere of the movie Batman movie in Denver.
Police have arrested James Holmes, a former University of Colorado medical student 24 years old, found near the scene carrying two guns.
Police said Holmes has installed sophisticated explosives in his apartment and could take many days to defuse the explosives.
Meanwhile, the families of the suspects has issued a statement saying'm sorry for the victims of the shooting.
Parents James Holmes said their families in cooperation with the police in the investigation conducted.
University of Colorado also has issued a statement that says the suspect is in the process of withdrawing from the PhD program in neuroscience there.
Studio Warner Brothers is releasing the film Batman said he was deeply mourned, and canceling the red carpet premiere in Paris which will be featuring its star players, Christian Bale, Morgan Freeman and Anna Hathaway.
Theaters in New York has tightened security at the show Batman movie, while the AMC theater network has announced a ban on carrying weapons and wearing topen toys.
Some people in the crowd dressed in Aurora, Holmes may be causing more easily blend in among the masses.
The White House said, it seems for the moment there is no connection between the shooting was a terrorist plan.
