Former journalist Ivan Safronov, an adviser to head of state company Roscosmos, suspected of relaying sensitive data to a spy agency of an unspecified NATO member

US president says Moscow has not stuck to commitments under 18-year-old pact designed to improve military transparency and confidence between the superpowers

Two blasts hit Besmaya base south of Baghdad in third such attack within a week; initial reports make no mention of casualties

US to draw forces down to 8,600 from 13,000 with remaining troops withdrawing in 14 months, threatens to 'nullify deal if commitments not held

NATO and UN urge deescalation after dozens of Turkish troops killed in airstrike; nearly 1 million flee Idlib violence, hundreds skirmish with Greek police at border

Secretary General Jens Stoltenberg says alliance need not mobilize large deployments of combat troops but should 'enable local forces to fight terrorism themselves'

US president says immediate sanctions to be imposed on Islamic Republic, vows Tehran will never be allowed nuclear weapons, claims IRGC missiles 'paid for' by Obama administration

According to TV report, Turkish navy intercepts Israeli boat, orders it to leave; Turkey's recent maritime deal with Libya has fueled regional tensions over drilling rights

US president bickers with Canadian leader, cancels a press conference, after video emerges of his counterparts mocking him at international gathering

As leaders meet behind closed doors, some speculate British PM is wary of being seen with US president a week before elections; both later posed for photos