Any expansion of NATO to include Sweden and Finland would upset the balance of power and force Russia to respond, Prime Minister Dmitry Medvedev said on Tuesday, underlining Moscow's nerves over moves to bring the Western alliance closer to its border.

• June 4, 2013

Russia said on Monday it blocked a U.N. Security Council declaration on the siege of the Syrian town of al-Qusair over the weekend because it amounted to a demand for a unilateral ceasefire by government forces.

• June 3, 2013

The United States and Germany told Russia on Friday that arming President Bashar al-Assad's forces could jeopardize international efforts for a peace conference on Syria.

• June 1, 2013

Russia plans to resume nuclear submarine patrols in the southern seas after a hiatus of more than 20 years following the break-up of the Soviet Union, Itar-Tass news agency reported on Saturday, in another example of efforts to revive Moscow's military.

• June 1, 2013

While Syrian President Bashar al-Assad implied that Damascus had received sophisticated Russian anti-aircraft missiles in a TV interview, Russian reports clarified Friday that the S-300 systems had not yet arrived in Syria.

• May 31, 2013

President Bashar al-Assad has said Russian anti-aircraft missiles have arrived in Syria, Lebanese TV reported, in a claim that is likely to dramatically increase tensions in the region and could provoke the Israelis to launch a strike against the weapons.

• May 30, 2013

The Syrian opposition said on Wednesday it would only take part in planned international peace talks if a deadline was set for a settlement that forces President Bashar al-Assad to leave power.

• May 29, 2013

Russian Foreign Minister Sergei Lavrov denounced as "odious" a U.S.-backed draft resolution condemning the Syrian government before a debate at the U.N. Human Rights Council on Wednesday and said it would undermine peace efforts.

• May 29, 2013