BEIJING, July 21 (Xinhua) -- Top nuclear negotiator of the DemocraticPeople's Republic of Korea (DPRK) Kim Gye Gwan stressed Saturday morning DPRKneeds light-water reactors for the eventual dismantlement of its nuclearfacilities.

"To eventually dismantle the nuclear facilities, light-water reactors areneeded," Kim told reporters at airport before leaving Beijing, where he hadjoined a three-day talks together with top nuclear negotiators of China, Japan,the Republic of Korea, the United States and Russia.

The DPRK had asked for light-water reactors in previous rounds of thesix-party talks, to meet the country's energy needs.

On the newly-closed talks in Beijing, Kim said the talks had "practical"and "constructive" atmosphere and the results of the talks were good.

He said the six top negotiators mainly discussed on the implementation ofthe initial actions of the February 13 agreement and also on the next phase oftalks.

"The DPRK will implement (commitments) of the September 19 joint statementand February 13 joint document, and we have made our position clear (during thetalks)," said Kim, adding in future's working groups' meeting and next phase oftalks, DPRK will carry out its obligations.

Kim said he had met with Japanese top negotiator Kenichiro Sasae within theframework of the six-party talks at Sasae's request and they discussed theprogress of the talks and DPRK-Japan relations.

Kim warned that Japan would face disaster if Japan steps further on givingpressure on DPRK.

"Japan is infringing upon our national sovereignty and creating a crisis bygiving political pressure to DPRK, which is worse than financial sanctions,"said Kim, "if Japan steps further than this, I warned that there will be adisaster."