WASHINGTON - The United States said on Thursday it was still talking to Russia about extending a decades-old agreement on dismantling nuclear and chemical weapons when it expires next year, saying the two sides were discussing possible revisions.

Russian Deputy Foreign Minister Sergei Ryabkov said on Wednesday that Moscow intended to end the 1992 agreement, the latest sign that the much-vaunted "reset" in relations between the Cold War-era foes is running out of steam.

"The agreement doesn't satisfy us, especially considering new realities," Russia's Interfax news agency quoted him as saying.

But State Department spokeswoman Victoria Nuland said Washington and Moscow were still taking about the pact, known as the Nunn-Lugar Cooperative Threat Reduction program, which expires in June 2013.

"In an anticipation of that we began talking to the Russian side back in July of this year about updating that agreement, and we are continuing to have those conversations," Nuland told a news briefing.

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