Britain and Italy are among the many nations condemning North Korea over its sixth nuclear test Sunday.
British Foreign Secretary Boris Johnson called the test "reckless" in a statement and said "all options are on the table."
Italian Foreign Minister Angelino Alfano said in a statement that North Korea must immediately abandon its nuclear and missile development program.
He also urged the North Koreans to stop going down the path of increasing self-isolation. Alfano pledged that Italy would do its part to at achieve a "firm and cohesive response" by the international community to North Korea's latest challenge.