TOPEKA (KSNT) - The Kansas Highway Patrol (KHP) temporary evacuated a building in downtown Topeka Thursday afternoon. As of 4:32 p.m. Thursday, Jan. 16, the KHP issued an "all clear" for the downtown Topeka building. The Topeka Fire Department confirmed there is no gas leak. Around 3:50 p.m. Thursday, Jan. 16, KHP sent an alert message that Mills Building located at 901 S. Kansas Avenue is being evacuated. According to KHP, a gas leak is causing the evacuation. The severity is unknown at this time. More information is expected to be released; 27 News will provide updates as they become available. For more local news, click here. Keep up with the latest breaking news in northeast Kansas by downloading our mobile app and by signing up for our news email alerts. Sign up for our Storm Track Weather app by clicking here.