sentences:  Election watchdog AES Watch has called the 2013 elections "a technology and political disaster" due to several controversies, including premature proclamation of candidates and irregular decisions made during the canvassing.On the day of elections, an estimated 18,000 voting machines, representing a quarter of the total 78,000 machines, experienced problems in transmitting the voting results.The Comelec claimed that the problems were caused not by the machines themselves, but by corrupted compact flash cards and issues with the cellular network coverage.