President Dmitry Medvedev says the decision by the Obama administration to scrap plans for a missile defense system in Europe is a “responsible move.“ Medvedev made the comments on state TV Thursday just hours after President Barack Obama announced he was shelving the project, a major irritant between the two nations.

Israeli President Shimon Peres says that his Russian counterpart has promised to reconsider the planned delivery of top-range air defense missiles to Iran. Peres said Wednesday that the sale of the S-300 missiles would tilt a delicate balance of forces in the Middle East.

President Barack Obama and Russian President Dmitry Medvedev have signed what they call a “joint understanding” to negotiate a new arms control treaty that would set substantially lower levels of nuclear warheads for both countries.

The United States and Russia say they are resuming military cooperation suspended after Russia invaded its smaller neighbor Georgia last year. The expected announcement came Monday, as President Barack Obama and Russian president Dmitry Medvedev met for their first summit in Moscow.

Russian news agencies are quoting Prime Minister Vladimir Putin as saying that Russia is willing to abandon nuclear weapons if the United States and all other countries that have them do the same.

News agencies are quoting Kyrgyzstan’s president as saying that his country is ending U.S. use of a key airbase that supports military operations in Afghanistan.