The U.S. military will have two aircraft carriers in the Mediterranean Sea this month ahead of a NATO summit in Warsaw, as Washington seeks to balance Russia's military activities and accelerate its fight against Islamic State militants.

• June 8, 2016

Russia is building an army base near its border with Ukraine, the latest in a chain of new military sites along what the Kremlin sees as its frontline in a growing confrontation with NATO.

• June 8, 2016

Russia is building an army base near its border with Ukraine, the latest in a chain of new military sites along what the Kremlin sees as its frontline in a growing confrontation with NATO.

• June 7, 2016

Syrian government troops backed by Russian air power moved to within 25 km (15 miles) of an Islamic State-held town in Raqqa province on Tuesday, the Syrian Observatory for Human Rights said, as state media reported air strikes against the jihadists in the area.

• June 7, 2016

Russian Foreign Minister Sergei Lavrov told his Finnish counterpart the Kremlin would take unspecified measures to respond to increased NATO activity in the Baltic region, making clear he was vexed by Helsinki's hosting of alliance drills.

• June 6, 2016

Nearly 50 air strikes hit rebel-held areas in and around the Syrian city of Aleppo on Sunday in some of the heaviest recent raids by Russian and Syrian government aircraft, residents and a monitoring group said.

• June 6, 2016

Under King Salman, Saudi Arabia is expanding its confrontation with Iran well beyond the Middle East, no longer relying heavily on Western allies to smother Tehran's ambitions outside the Arab world.

• June 5, 2016

The Syrian army pushed into Raqqa province, home to the de facto capital of Islamic State, after a major Russian-backed offensive against the militants, the Syrian Observatory for Human Rights said on Saturday.

• June 5, 2016