North Korea’s leader Kim Jong Un has called on his country’s scientists to expand production of “weapon-grade nuclear materials” and build more powerful weapons, state media has reported.

Kim’s latest calls, a reiteration of an earlier promise to ramp up nuclear weapons production “exponentially”, came ahead of a United States Navy carrier strike group’s scheduled arrival in South Korea on Tuesday.

Subscribe to our channel: http://bit.ly/AJSubscribe
Follow us on Twitter: https://twitter.com/AJEnglish
Find us on Facebook: https://www.facebook.com/aljazeera
Check our website: http://www.aljazeera.com/
Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/

#aljazeeraenglish #BreakingNews #AlJazeeraLive #aljazeeraenglish #newsfeed #news #aljazera #latestnews #latestwhatsappstatus #unitedstates #korea #northkorea #southkorea #nuclearweapon #us