Updated at 8:15 a.m. ET: Twelve people were killed and at least 50 others wounded early Friday when a gunman opened fire at a midnight screening of the summer blockbuster "The Dark Knight Rises" near Denver, authorities and witnesses said.
Aurora Police Chief Dan Oates told reporters that 10 people died at the scene and four others died after being taken to local hospitals. However, a police officer later told MSNBC TV that the death toll had been revised to 12. A three-month-old and a six-year-old girl were among those treated, according to reports. This is a breaking news story. Click here for updates.