Prime Minister Shinzo Abe and South Korean Prime Minister Lee Nak-yeon agreed Tuesday to work together toward the denuclearization of North Korea, before the third inter-Korean summit next week.

"I would like to express my respect to your country's persistent efforts seeking to improve South and North Korean ties and bridge between the United States and the North," Abe said at the outset of the meeting in Vladivostok, which was held on the sidelines of a regional economic forum.

Abe also stressed the necessity of promoting their bilateral and trilateral cooperation involving Washington in dealing with Pyongyang.