NEW : Utility company said it appears contractor struck a gas line . Missouri Gas Energy said : `` Early indications are that a contractor doing underground work struck a natural gas line , but the investigation continues . '' Two people also missing , Kansas City fire department says . Witnesses say roof blew off restaurant . Score: 6
NEW : Utility company said it appears contractor struck a gas line . Two people also missing , Kansas City fire department says . Witnesses say roof blew off restaurant . Score: 6