Authorities are working to disarm flammable and possibly explosive materials inside the apartment.

24-year-old suspect James Holmes is in police custody and five surrounding buildings have been evacuated.   Aurora authorities say his third-floor dwelling is booby trapped and bomb squad members may be there for some time. Pictures taken from a pole stuck inside a window from a hook-and-ladder truck painted a "disturbing" scene, according to authorities, but they did not elaborate.