Colorado police officer fatally shot, others injured in mass shooting

• At least three officers were being treated at local hospitals, according to Romero. Their conditions weren't immediately available.

• Police didn't identify the officers or the suspect. Romero said he had no details about the suspect's firearm.

Context: Officers responded to a call around 6:30pm to a report of a suspicious person attempting to board an RTD bus near the intersection.

• The suspect opened fire "within seconds" of officers arriving, Romero said.
• Officers shot the suspect, who was pronounced dead at the scene.
• Romero said the suspect was also believed to be involved in a hit-and-run incident earlier Thursday.

In a statement, RTD said the incident happened "aboard an RTD contracted-operated bus servicing Route 76 in Lakewood." The transit agency added it's cooperating with Lakewood police.

What's next: The shooting remains under investigation.

Editor's note: This is a developing story. Check back for updates.