An armed pro-Russian separatist stands on part of the wreckage of the Malaysia Airlines Boeing 777 plane after it crashed near the settlement of Grabovo in the Donetsk region in this image from July. Photograph: Reuters

Authorities in the Netherlands are due to publish a preliminary report on the July downing of Malaysia Airlines flight MH17 over eastern Ukraine. The(...)

Ukrainian soldiers inspect damaged tank on the outskirts of the southern coastal town of Mariupol yesterday. Photograph: Reuters

A senior aide to Ukraine’s president Petro Poroshenko said today that Kiev had agreed at the Nato summit in Wales on the provision of weapons and m(...)

Ukrainian president Petro Poroshenko  and German chancellor Angela Merkel talk during the Nato Summit  in Newport, Wales today. Photograph: Facundo Arrizabalaga/Pool/Getty Images.

The European Union is set to unveil a fresh package of sanctions against Russia as western leaders staged a show of support for the beleaguered Ukr(...)

Still images of  men, who have identified themselves as Russian servicemen,  in a video released by the Ukrainian Security Service today. Photograph: Reuters/Ukrainian Security Service 0:41

Ukrainian military spokesman Andriy Lysenko said today Russian Mi-24 helicopters had attacked a border post in Luhansk region the previous day, killi(...)

Border guards march during Ukraine’s Independence Day military parade in the centre of Kiev yesterday. Photograph: Gleb Garanich/Reuters

The Ukrainian military said todaya group of Russian forces, in the guise of separatist rebels, had crossed into south-east Ukraine with ten tanks and (...)

Russian foreign minister Sergey Lavrov (left) and Ukrainian foreign minister Pavlo Klimkin pass by one another while arriving for a group photo with French foreign minister Laurent Fabius and German foreign minister Frank-Walter Steinmeier  during talks over the ongoing conflict in eastern Ukraine at Villa Borsig in Berlin yesterday. Photograph: Sean Gallup/Getty Images

Ukrainian forces have raised their national flag over a police station in the city of Luhansk which was for months under rebel control, Kiev said yest(...)

A Russian convoy of trucks carrying humanitarian aid for Ukraine is parked at a camp near Kamensk-Shakhtinsky, Rostov Region, today. Photograph: Reuters

Ukrainian forces and pro-Russian separatists fought skirmishes near the Russian border today but there was no sign of the conflict widening after Kie(...)

As United States and European Union sanctions on Russia deepen and as the siege of Donetsk by Ukrainian forces continues, possibly provoking formal Ru(...)

A  bus riddled with bullet holes at a checkpoint on the outskirts of Donetsk yesterday. Twelve Ukrainian nationalist fighters, battling a pro-Russian insurgency in eastern Ukraine, were killed yesterday and an unknown number taken captive when rebels ambushed their bus, a spokesman for their group said. The separatists opened fire on the bus, which  was taking the men to fight just outside the rebel-held city of Donetsk. Photograph: Sergei Karpukhin/Reuters

Artillery shells hit close to the centre of Ukraine’s separatist-held city of Donetsk for the first time today, killing at least one person, as a lar(...)

Much of the fighting in eastern Ukraine has been on the border with Russia, which Ukrainian government forces want to safeguard to prevent any influx of fighters and military hardware from Russia. Photograph: Roman Pilipey/EPA 0:52

Nato secretary general Anders Fogh Rasmussen and Ukrainian prime minister Arseny Yatseniuk discussed possible Western alliance support for Ukraine’s d(...)