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
Jocotitlán (volcano) activity in the region is. If it erupts, the volcano could pose a serious threat to Greater Toluca and even Greater Mexico City. The volcano can be easily climbed from the town of Jocotitlán. A winding 19 km country lane leads up to the microwave antenna located near the summit. Jocotitlán (volcano) Jocotitlán, also known as Xocotépetl (), is a volcano in the Jocotitlán and Atlacomulco municipalities, in the State of Mexico. At above sea level, its summit is the 12th highest peak of Mexico. Jocotitlán volcano lies in the northern part of the Toluca Valley. It is part of