Denver (KMHG/CNN) - Police in Denver say a person is being held hostage at a Radio Shack store.
It started this Friday morning with a botched robbery.
Police aren't sure how many people were involved in the initial robbery but they say it may be several people.
Right now, they believe at least one gunman is still inside the store with a hostage.
Two police officers are also inside talking to the gunman.
Nearby businesses have been evacuated and four schools are on lockdown until the situation is resolved.