CBS 2 Chicago wbbm7801059 670 The Score
LIVE VIDEO: Watch the Lollapalooza webcast LIVE from the festival, courtesy of 93XRT! WATCH NOW »

oil slick

Emergency officials converge at Porter Beach in Northwest Indiana Monday when a mysterious substance was discovered in the water. (CBS)

Mystery Substance Prompts Closure Of Indiana Beach

Swimmers have been ordered out of Lake Michigan at Porter Beach because of a substance in the water. WBBM’s Nancy Harty has more.

06/17/2013