Deputies were responding to a disturbance call when shots were fired from the home near Colorado Boulevard shortly before 6 a.m., Lekander said.
“We have SWAT out there setting up and preparing to go in right now,” Lekander said at about 7:15 a.m.
Video broadcast by Denver 7 shows an Arapahoe County Sheriff Bomb Squad truck at the scene.
In a Code Red the Sheriff’s office told residents to shelter in place, avoid windows and stay away from exterior walls.
An investigation is in progress and most of County Line Road is closed down from Colorado Boulevard to University Boulevard. C-470 is closed from Quebec Street to University Boulevard.