UPDATE, 10:30 p.m.: Lexington Police have ended the evacuation of downtown Lexington after a bomb scare turned out to be nothing but an RV parked downtown.

Police say an officer spotted the RV around 7:40 p.m. and an explosives detection dog was brought in to check it out. The dog alerted on the vehicle and then police evacuated downtown.

After further investigation, no bomb was found and the all-clear was given at 10:25 p.m.

EARLIER STORY: Troubling developments are unfolding in downtown Lexington, as police are evacuating a few dozen city blocks.

The situation began around 8:30 p.m., when police asked the public to avoid the area around Short and Market streets.

Fifteen minutes later, they announced the area between Vine and Third streets, and from Broadway to Martin Luther King Jr. Blvd was being evacuated.

So far, police have not said what is happening.