John Kerry Urges North Korea to "Come to the Table in a Responsible Way"
Made the comments in Japan
US Secretary of State John Kerry has called on North Korea's leaders to "come to the table in a responsible way" to end regional tensions.
Speaking in Tokyo, the fourth and final stop on his Asian tour, Mr Kerry warned North Korea it risked further isolation if its threats continued.
He also reaffirmed the US commitment to defend its allies, including Japan.