 He eventually led in the opinion polls and was initially leading the electoral count but eventually lost to the Kilusang Bagong Lipunan (KBL) slate led by First Lady Imelda Marcos.Aquino remained in prison but continued to fight for democracy in the country and against the oppression of the Filipino people.After suffering from a heart attack in March 1980, he and his family moved to the United States for medical treatment, eventually leading to his self-imposed exile for about three years.