Russia on Friday charged Ukrainian airforce officer Nadia Savchenko over the deaths of two Russian journalists in a politically charged case that has become emblematic of tensions between Kiev and Moscow.

The 33-year-old helicopter navigator is charged with acting as an accessory in the murder of two Russian journalists "with motives of political hatred."

President Vladimir Putin on Friday called on French leader Francois Hollande to restore ties after a year of tensions over Ukraine as the two leaders met on the sidelines of genocide commemorations in Armenia.

"Unfortunately, our ties are not in the best shape, trade turnover is falling including with France which only causes regret," Putin told Hollande in the Armenian capital Yerevan.

Ukraine accused Russia on Friday of resisting a peaceful end to fighting in eastern Ukraine and called for weapons from its allies, saying it is striving to settle the separatist conflict.

"The situation is difficult. Russia does not want peace," Prime Minister Arseniy Yatsenyuk told parliament.

British Labor party leader Ed Miliband is to vow to end the country's "small-minded isolationist" attitude to Europe if he becomes prime minister after an election in two weeks' time.

In a Friday speech, the left-leaning party leader is to accuse Conservative Prime Minister David Cameron of risking Britain's national interests by giving in to eurosceptics, according to pre-released remarks.

Russian hackers were able to access an unclassified Pentagon computer network earlier this year, U.S. Secretary of Defense Ashton Carter said Thursday.

"We quickly identified the compromise and had a team of incident responders hunting down the intruders within 24 hours," Carter said during a speech on technology and cybersecurity at Stanford University in California.

A Dutch expert helping to identify victims from last year's MH17 airliner crash in Ukraine has been suspended after showing photographs of the dead at a public lecture, police said Thursday.

"He has been suspended from his work and we'll see if other measures need to be taken," Thomas Aling, spokesman for the Dutch national forensics investigation team LTFO, told AFP.

The United States accused Russia Wednesday of building up its forces along the border with Ukraine, boosting air defense systems in the country and training Ukrainian rebels in the east.

"Combined Russian-separatist forces continue to violate the terms of the 'Minsk 2' agreement signed in mid-February," acting State Department spokeswoman Marie Harf said in a statement.

President Francois Hollande said Wednesday that France will reimburse Russia if it fails to deliver two Mistral warships in a deal frozen over the Ukraine conflict.

"According to the different scenarios you either have payment or reimbursement," Hollande said during a press conference.

Dutch investigators have recovered "many" more body parts and pieces of wreckage after resuming their search at the MH17 plane crash site in Ukraine, the Netherlands said Wednesday.

All 298 passengers and crew onboard the Malaysia Airlines jetliner -- most of them Dutch -- died when it was shot down over rebel-held eastern Ukraine last year.

A group of supporters of Russian President Vladimir Putin on Tuesday launched a satirical weekly with anti-Western cartoons and verses, calling it an answer to France's "Charlie Hebdo" magazine.

Activists from the Anti-Maidan movement, which organizes rallies and concerts in support of the Kremlin's actions in Ukraine, gave out the first issue on a central pedestrian street.