Ukraine has declared martial law in response to Russian actions against its naval vessels and claims of a 'large scale invasion' being planned.
The President of Ukraine, Petro Poroshenko, claims he has proof of a 'large-scale ground attack against Ukraine', according to local media.
Chief of the General Staff, General Mark Carleton-Smith, has claimed that Russia is a greater threat to Britain than Islamic State.
China has obtained software used by NATO for war room mapping, giving the country significant insight into how NATO powers conduct planning.
The signing of the Armed Forces (Gibraltar) Act marks an important milestone for both the UK and Gibraltar, say the British government.
Chief of NATO Jens Stoltenberg has urged Beijing to join an expanded Intermediate-Range Nuclear Forces Treaty, so that its missiles become bound by it.
The UK and northern European allies have agreed to establish a multinational group of experts to tackle Russian disinformation, say the MoD.
The MoD say that HMS Diamond has recently been tested by Tornado, Typhoon and F-16 jets, plus E-3 surveillance aircraft and Voyager tankers in the skies above and around Cyprus.