Jeju uprising to Jeju from Busan and deploying police companies, each 1,700 strong, from the southern provinces of the mainland. The guerrillas retreated to their bases in the forests and caves around Hallasan, an extinct volcano and the highest mountain in South Korea. On April 29, the Korean, non-military, governor of Jeju province abandoned his post, defected, and joined the guerrillas. This caused many police officers, disillusioned by the atrocities they were ordered to commit against their own, to do the same. In response, U.S. military provincial governor William F. Dean ordered a purge of SKLP sympathizers from the ranks of the
Malinche (volcano) Malinche (volcano) La Malinche mountain, also known as Matlalcueye or Malintzin, is an inactive volcano (dormant for the last 3,100 years) located in Tlaxcala and Puebla states, in Mexico. Officially, its summit reaches above sea level, though it is generally considered to be closer to , using GPS measurements. Its height makes it the highest peak in Tlaxcala, the fifth-highest in Puebla, the sixth-highest in Mexico, the 23rd-highest in North America, and the 252nd-highest in the world. Its height above nearby cities varies from above Huamantla, above Villa Vicente Guerrero, above Tlaxcala to above Puebla. The summit is from Tlaxcala,