USCGC Hollyhock

The U.S. Coast Guard Cutter "Hollyhock" has been stationed off Burnham Harbor for the NATO summit in Chicago, to enforce the security zone near McCormick Place. The cutter has been placing buoys to mark off the restricted zone around Burnham Harbor. (Credit: CBS)

Coast Guard Increasing Patrols For NATO Summit

If you start noticing more boats patrolling Lake Michigan and the river – it’s because of the NATO summit, as you might have guessed.

CBS Chicago–05/16/2012