SEOUL: North Korea may have produced additional six or more nuclear weapons over the past 18 months, possibly bringing its total arsenal to more than 21 bombs, a US think tank said on Tuesday.

The Institute for Science and International Security (ISIS) based the estimates on the amounts of weapons-grade plutonium and highly enriched uranium the North is believed to have produced at its Yongbyon nuclear complex.

Premium + Digital Edition

Ad-free access


P 80 per month
(billed annually at P 960)
  • Unlimited ad-free access to website articles
  • Limited offer: Subscribe today and get digital edition access for free (accessible with up to 3 devices)

TRY FREE FOR 14 DAYS
See details
See details