Security tight for Wrigleyville bar crawl

December 14, 2013 2:30:05 PM PST
Security is increased for a popular annual Wrigleyville bar crawl which saw violence during last year's event.

The 18th annual "T-Box" or 12 Bars of Christmas Bar Crawl began at 8 a.m. and runs until 8 p.m.

About 20,000 people are expected to attend.

Last year a man was stabbed with broken beer bottle at a bar and there were also some vandalism and noise complaints.