Russia and US agree talks should start after New START expires.

Russian and U.S. negotiators said they agreed there is a need to start arms control talks after the New START treaty expired, Kremlin spokesman Dmitry Peskov said.

Russian and U.S. negotiators met in Abu Dhabi and discussed the expiration of the New START nuclear arms treaty, Kremlin spokesman Dmitry Peskov said. The treaty terminated Thursday, leaving no formal caps on the two countries' deployed arsenals for the first time in decades. The meeting took place alongside talks involving Russian, Ukrainian and U.S. delegations on a possible settlement in Ukraine. Officials reported an understanding that both sides recognize the need to begin new arms control talks promptly. Key facts: - New START expired Thursday, leaving no formal limits on deployed strategic nuclear forces between the two countries. - Kremlin spokesman Dmitry Peskov said negotiators agreed both parties should take responsible positions and start talks as soon as possible. - The U.S. and Russia also agreed to reestablish high-level military-to-military dialogue, according to the U.S. military command in Europe. - Moscow said any extension of the treaty's provisions would need to be formal, and Russia previously offered to adhere to the treaty's limits for another year if the United States did the same. Summary: The expiration of New START removes the existing treaty framework and officials from both sides reported an agreement on the need to begin successor talks. They also agreed to restore senior military contacts. Undetermined at this time.