Rail travellers in Germany are being warned to be careful of exploding ticket machines.<br /><br />Bomb experts were called to a platform near Frankfurt and the station was evacuated.<br /><br />Thieves have tried to steal cash by taping over openings, filling the machines with gas and setting them alight.<br /><br />But several attempts have failed, leaving the explosive gas inside.<br />No Comment | euronews: watch the international news without commentary | http://www.euronews.net/nocomment/
