In China, at least a dozen tourist buses mysteriously caught fire today at a parking lot in eastern Beijing. Officials said fire prevention bureau received a report today that several buses were ablaze at a parking lot outside Xiedao Holiday Resort in Chaoyang district. <br/><br/>The bureau sent 12 teams of firemen and 50 fire engines to the scene. The flames were extinguished and no casualties were reported. Officials said it is not clear yet whether it was a sabotage or an accident.