MANILA (Reuters) - Former Philippine President Gloria Macapagal Arroyo was arrested on Friday for electoral fraud, which carries a life sentence, at a Manila hospital, preventing her departure from the country to seek medical treatment. President Benigno Aquino and his government have long accused Arroyo of corruption during her two terms in office, from 2001-2010, though until Friday, authorities had not formally charged her. "She is now under our control, under our custody," Senior Superintendent Franklin Bucayu, head of the Southern Police District, told a news briefing outside St Luke's Hospital. "The arrest warrant has been served.