ABC NEWS(FERGUSON, Mo.) -- A crowd of several hundred people gathered outside the Ferguson, Mo., police station Tuesday night, and after a calm start, a police car was set on fire, after Missouri Gov. Jay Nixon deployed more than 2,000 National Guardsmen to the streets.
The city, the site of looting and burning after a grand jury cleared a white officer of shooting an unarmed teen Monday, had been mostly calm Tuesday night.
The St. Louis County police department confirmed the use of tear gas to disperse the crowd because of vandalism.