Overall , three dates were cancelled while one was postponed . Due to the 2011 Tōhoku earthquake and tsunami on 11 March , both Japanese shows were cancelled . The concert in Rio de Janeiro was postponed till the following night after the front crowd control barrier collapsed during the opening song . On 14 June , it was announced that Sonisphere Bulgaria , due to take place in Sofia , was officially cancelled . A statement published on the Iron Maiden official website claimed that this was due to " logistical problems "
2011 Tōhoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami
The Final Frontier World Tour