A screen grab shows North Korean leader Kim Jong Un inspecting nuclear warheads at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA TPX IMAGES OF THE DAY Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un inspecting nuclear warheads at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un speaking with officials at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un speaking with officials at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un speaking with officials at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un inspecting nuclear warheads at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un inspecting nuclear warheads at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows North Korean leader Kim Jong Un inspecting nuclear warheads at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS
A screen grab shows shows a recent ballistic missile launch at an undisclosed location in this undated still image used in a video. KRT/via Reuters TV/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NORTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORTH KOREA Photo: KRT/REUTERS