How serious is NKorea’s nuclear threat?

WASHINGTON, D.C.: US intelligence believes North Korea has now built a nuclear weapon small enough to fit onto a ballistic missile, making it a potent threat against neighbors and possibly the United States, the Washington Post reported Tuesday (Wednesday in Manila).

The country’s nuclear advances have proceeded much more quickly than expected, but experts say North Korea still needs significant technological gains in order to become a full-fledged nuclear threat.