The Maguindanao massacre, also known as the Ampatuan massacre, named after the town where mass graves of victims were found, occurred on the morning of November 23, 2009, in the town of Ampatuan in then-undivided Maguindanao (which is now Maguindanao del Sur) province, on the island of Mindanao in the Philippines. The 58 victims were on their way to file a certificate of candidacy for Esmael Mangudadatu, vice mayor of Buluan, when they were kidnapped and later killed. Mangudadatu was challenging Datu Unsay mayor Andal Ampatuan Jr., son of the incumbent Maguindanao governor Andal Ampatuan Sr. and member of one of Mindanao's leading Muslim political clans, in the forthcoming Maguindanao gubernatorial election, part of the national elections in 2010. The people killed included Mangudadatu's w