Topeka Fire Department Battalion Chief Chris Herrera says flames were through the roof when firefighters arrived.
Topeka restaurant/nightclub damaged in fire →
"There's no more pre-registration," lamented Chris Herrera, 26, of Los Angeles, who was attending his sixth consecutive Comic-Con. "Now you have to register online, and that website always crashes."
Comic-Con wraps after 4 days of pop-art indulgence →