The eastern European country brought back conscription, is spending on defence, and is now building a wall.Read the full story ›
However, Jens Stoltenberg conceded that Trump was right that some members do not contribute enough to the alliance.Read the full story ›
The Taliban has claimed responsibility for an explosion which killed at least four at the Nato air base at Bagram, north of Kabul in Afghanistan.
At least 14 others were injured in the blast which happened just after 5.30am, the Nato-led Resolute Support mission said.
There was no immediate word on the identity of the victims.
A Nato spokesperson said: "Response teams at Bagram continue to treat the wounded and investigate the incident."
The Taliban's spokesman, Zabihullah Mujahid, claimed responsibility for the attack on his Twitter account.
The largest summit so far also saw 39 world leaders agree to more money for Afghan troops and an aid package for Ukraine.Read the full story ›
David Cameron committed British troops to Baltic states as they want protection from Russian aggression.Read the full story ›
David Cameron will announce the deployment of 650 troops to the east as he positions the UK in a leading role within European security.Read the full story ›
Two members of the Nato-led Resolute Support Mission have been killed in southern Afghanistan.
The soldiers were attacked by individuals wearing Afghan uniforms, a statement from the mission said.
The incident comes as Nato commander General John Nicholson reviews plans to cut the number of US troops in Afghanistan by next year.
Almost 75,000 migrants and refugees have arrived in Greece by sea since the start of 2016, the UN says.
Reacting to news that Nato will deploy ships in the Aegean Sea to combat people-smugglers, a Ministry of Defence spokesperson said: