Denver - A masked gunman shot dead 10 people and wounded 30 to 40 others at a showing of new Batman movie “The Dark Knight Rises” at a movie theatre in the US city of Denver, local radio station KOA reported on Friday, citing witnesses.
The radio station said a figure in a gas mask had opened fire at the showing in a mall in the suburb of Aurora and set off a smoke or tear gas bomb.
KOA said authorities were evacuating the area while they checked if there was an exploding device there.
It said initial police estimates were of 30-40 injured.
Dozens of police were at the scene, CNN footage showed.
CNN quoted one witness as saying he saw a "guy slowly making his way up the stairs and firing, picking random people".
It said local hospitals were alerted to a "mass casualty incident". - Reuters