BOULDER, Colorado (CBS News) — A gunman opened fire inside a Colorado supermarket Monday, killing ten people, including a police officer, authorities said.

One person was taken into custody at the scene in Boulder, where police said there was no ongoing threat to the public.

CBS Denver helicopter footage captured authorities escorting a shirtless man in handcuffs who appeared to have a bleeding leg from the scene, but Police commander Kerry Yamaguchi would not confirm if that man is the person of interest.

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