Ahead of Tuesday's summit in Ankara, Nato chief Mark Rutte has called on allies to continue giving Ukraine the support it needs - along with "clear and credible" plans to commit 3.5% of GDP to defence spending.

Dan Jarvis, who wants to stay on as defence secretary, says he is confident PM-in-waiting values national security

NATO Secretary-General Mark Rutte has demanded allies present clear plans to meet spending targets at the annual summit in Ankara.