Theresa May has told Japan that the UK will stand "shoulder to shoulder" with them over the threat from North Korea.
Nuclear-armed North Korea has fired a ballistic missile over Japan and into the Pacific Ocean in what is being called a major escalation.
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.
Royal New Zealand Navy patrol boat HMNZS Taupo has arrived in Suva, Fiji ahead of a three-month maritime security deployment.
A tank landing ship and what appears to be an electromagnetic railgun weapon were spotted along the Yangtze River, presumably heading for sea trials.
North Korea claims it is considering strikes near US military installations in Guam.
The USS Ronald Reagan, USS Nimitz and USS Theodore Roosevelt strike groups will commence a three-carrier strike force exercise in the Western Pacific this week.
South Korea's military has begun to consider operating F-35B jets from their Dokdo class assault ships, according to the local Yonhap news agency.
Type 23 Frigate HMS Montrose has made an historic visit to the United Kingdom's most remote overseas territory, the Pitcairn Islands in the Pacific, where she has joined the war on pollution and enjoyed the hospitality of locals.
China's second aircraft carrier might conduct its first sea trials in February, regional newspapers are reporting.