Surprise DNC security measures crop up along Mag Mile, other parts of downtown Chicago – CBS2 (Chicago)

At the Dirksen Federal Building in the Loop, security gates popped up overnight to prevent anyone from vandalizing the courthouse. Along the Magnificent Mile near Chicago Avenue, roads have been blocked off, police officers are on standby, and large security gates have partially cut off access to sidewalks. "I feel like I'm walking into a jail or something over there," Chris McClendon said.