PHOTO GALLERY: Downtown fire shuts down Walnut Street

January 24, 2013 | 11:47 p.m. CST

Walnut Street was shut down for several blocks for more than an hour as four trucks and 19 firefighters responded to a fire, which was called in about 8 p.m.

Columbia Fire Department firefighters prepare to climb into the bucket on Ladder 1 to gain access to the roof of the Trapp Law Firm on Thursday evening in downtown Columbia. Crews fought the fire, which was called in about 8 p.m., for more than hour. | Greg Kendall-Ball

A Columbia Fire Department firefighter works to uncover the source of thick smoke pouring from the roof of the Trapp Law Firm about 8 p.m. Thursday in downtown Columbia. | Greg Kendall-Ball

Columbia Fire Department firefighters with Ladder 1 and Ladder 9 fight a fire Thursday inside the Trapp Law Firm at 609 E. Walnut St. | Greg Kendall-Ball