Aug 21, 2014 — Ukraine's army has been gaining ground against pro-Russian separatists. But details are difficult to pin down. They are now trading accusations over an alleged attack against a civilian convoy.
Aug 18, 2014 — Ukraine's government and pro-Russian separatists are blaming one another for an attack on a convoy carrying people who were fleeing the fighting near the eastern city of Luhansk.
Aug 17, 2014 — The MiG-29 was shot down over Luhansk, where Kiev's forces are said to have captured a police station as they tighten a circle around pro-Russia separatists.
Aug 12, 2014 — Russia says the trucks are bringing 2,000 tons of humanitarian aid to an area that's been torn by fighting. But Ukrainian leaders worry that the convoy might conceal a military operation.
Aug 9, 2014 — The self-styled prime minister of the Independent Donetsk republic says his forces are willing to stop the fighting to avert a humanitarian crisis.
Aug 7, 2014 — Russia was responding to sanctions imposed by the U.S. and its European allies over the crisis in Ukraine. The ban includes all beef, pork, fruit, vegetables and dairy products.
Aug 6, 2014 — The Dutch prime minister said continuing the search at the site of the downed Malaysia Airlines flight is too dangerous. Russia has stationed tens of thousands of troops near its border with Ukraine.
Aug 5, 2014 — Government troops and separatists have been fighting for months for control of eastern Ukraine. Ukrainian leaders say Russia has been supplying the separatists — a charge Moscow denies.
Jul 29, 2014 — Obama said further sanctions against Russia's defense, banking and energy sectors were "closely coordinated" with action taken by European allies.
Jul 28, 2014 — The crew — made up of Dutch and Australian experts — were headed toward the debris field when they heard explosions.