Cronología tras el nuevo capítulo en el enfrentamiento entre las dos Coreas

This screen grab taken from North Korean TV and released by South Korea's news agency Yonhap on August 21, 2015 shows North Korean leader Kim Jong-Un during an emergency meeting of the powerful Central Military Commission on August 20, 2015. North Korean leader Kim Jong-Un ordered his frontline troops onto a war-footing from on August 21, as military tensions with South Korea soared following a rare exchange of artillery shells across their heavily fortified border. REPUBLIC OF KOREA OUT -- NO ARCHIVES -- NO INTERNET -- RESTRICTED TO SUBSCRIPTION USE -- AFP PHOTO / NORTH KOREAN TV via YONHAP -- NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS -- THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP.

This undated picture released by North Korea's official Korean Central News Agency (KCNA) on May 3, 2014 shows North Korean leader Kim Jong-Un (C) gesturing in front of soldiers of the Korean People's Army (KPA) unit 267, who worked to remodel the Songdowon International Children's Camp at Wonsan city in Kangwon province in North Korea. AFP PHOTO / KCNA via KNS REPUBLIC OF KOREA OUT THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / KCNA VIA KNS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This picture taken by North Korea's official Korean Central News Agency (KCNA) on August 15, 2015 shows North Korean leader Kim Jong-Un and Korean People's Army senior officers visiting the Kumsusan Palace of the Sun in Pyongyang for the 70th anniversary of Korea's liberation from Japan. AFP PHOTO / KCNA via KNS REPUBLIC OF KOREA OUT THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP. ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / KCNA VIA KNS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

(FILES) In a file picture taken on April 13, 2012, North Korean leader Kim Jong-Un (R) claps during the unveiling ceremony of two statues of former leaders Kim Il-Sung and Kim Jong-Il in Pyongyang. The UN Security Council will meet on March 5, 2013 to discuss new sanctions the United States and its allies want to impose on North Korea for its nuclear test last month, diplomats said. AFP PHOTO / Ed Jones / FILES

People watch television news reporting on North Korea's rocket firing, at a railway station in Seoul on August 20, 2015. South Korea on August 20 fired dozens of shells across the border into North Korea in retaliation for an apparent rocket attack, Seoul's defence ministry said. REPUBLIC OF KOREA OUT NO ARCHIVES NO INTERNET RESTRICTED TO SUBSCRIPTION USE AFP PHOTO / YONHAP

This screen grab taken from North Korean TV and released by South Korea's news agency Yonhap on August 21, 2015 shows North Korean leader Kim Jong-Un during an emergency meeting of the powerful Central Military Commission on August 20, 2015. North Korean leader Kim Jong-Un ordered his frontline troops onto a war-footing from on August 21, as military tensions with South Korea soared following a rare exchange of artillery shells across their heavily fortified border. REPUBLIC OF KOREA OUT -- NO ARCHIVES -- NO INTERNET -- RESTRICTED TO SUBSCRIPTION USE -- AFP PHOTO / NORTH KOREAN TV via YONHAP -- NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS -- THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP.

South Korean soldiers gesture to vehicles on the road leading to North Korea's Kaesong joint industrial complex at a military checkpoint in the border city of Paju on August 21, 2015. North Korean leader Kim Jong-Un ordered his frontline troops onto a war-footing from on August 21, as military tensions with South Korea soared following a rare exchange of artillery shells across their heavily fortified border. The South Korean Unification Ministry announced it was restricting access to the North-South's joint industrial zone at Kaesong. AFP PHOTO / JUNG YEON-JE

This handout photo released by the presidential Blue House shows South Korea's President Park Geun-Hye (C) during her visit to the headquarters of Third Army in Yongin, south of Seoul, on August 21, 2015. The visit came as military tensions on the divided Korean peninsula soared following a rare exchange of artillery fire on August 20 that put the South Korean army on maximum alert. AFP PHOTO / The Blue House ---- EDITORS NOTE ---- RESTRICTED TO EDITORIAL USE MANDATORY CREDIT "AFP PHOTO / The Blue House" NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo released by the presidential Blue House shows South Korea's President Park Geun-Hye (L) during her visit to the headquarters of Third Army in Yongin, south of Seoul, on August 21, 2015. The visit came as military tensions on the divided Korean peninsula soared following a rare exchange of artillery fire on August 20 that put the South Korean army on maximum alert. AFP PHOTO / The Blue House ---- EDITORS NOTE ---- RESTRICTED TO EDITORIAL USE MANDATORY CREDIT "AFP PHOTO / The Blue House" NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This screen grab taken from North Korean TV and released by South Korea's news agency Yonhap on August 21, 2015 shows North Korean leader Kim Jong-Un during an emergency meeting of the powerful Central Military Commission on August 20, 2015. North Korean leader Kim Jong-Un ordered his frontline troops onto a war-footing from on August 21, as military tensions with South Korea soared following a rare exchange of artillery shells across their heavily fortified border. REPUBLIC OF KOREA OUT -- NO ARCHIVES -- NO INTERNET -- RESTRICTED TO SUBSCRIPTION USE -- AFP PHOTO / NORTH KOREAN TV via YONHAP -- NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS -- THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP.

PAN01 PANMUNJOM (COREA DEL SUR) 12/02/2014.- Fotografía facilitada por el Ministerio surcoreano de Unificación que muestra al jefe de la delegación surcoreana, Kim Kyou-hyun (2ºdcha), estrechando la mano de su homólogo norcoreano, Won Dong-yeon (3ºdcha), en Panmunjom (Corea del Sur) hoy, miércoles 12 de febrero de 2014. Representantes de Corea del Sur y Corea del Norte iniciaron hoy su primera reunión de alto nivel en siete años para abordar el histórico encuentro de familias separadas programado entre los días 20 y 25 de este mes. EFE/Ministerio de Unificación SÓLO USO EDITORIAL/PROHIBIDA SU VENTA

COR002. PYONGYANG (COREA DEL NORTE), 29/03/2013. Fotografía cedida hoy, viernes 29 de marzo de 2013, muestra al líder norcoreano, Kim Jong-un, durante una reunión en la madrugada de este viernes en un lugar indeterminado, en la que ordenó tener preparados sus misiles para atacar en "cualquier momento" intereses de EEUU y Corea del Sur. Corea de Norte anunció que ha entrado en "estado de guerra" y advirtió de un "combate a gran escala" fuera de la región, a través de un comunicado de la agencia estatal norcoreana KCNA. EFE/ KCNA PROHIBIDO SU USO EN COREA DEL SUR/ SOLO USO EDITORIAL/ NO VENTAS