From the beginning Process_start of March 2014 , protests by pro-Russian and anti-government groups took place Process_start in the Donetsk and Luhansk oblasts of Ukraine , commonly collectively called Name_conferral the `` Donbass '' , in the aftermath of the 2014 Ukrainian revolution Change_of_leadership and the Euromaidan movement .

These demonstrations , which followed the annexation of Crimea by the Russian Federation ( February to March 2014 ) , and which were part of a wider group of concurrent pro-Russian protests across southern and eastern Ukraine , escalated Cause_change_of_position_on_a_scale into an armed conflict Hostile_encounter between the separatist forces of the self-declared Donetsk and Luhansk People 's Republics ( DPR and LPR respectively ) , and the Ukrainian government .

In the Donetsk People 's Republic , from May 2014 until a change Change of the top leadership in August 2014 , some of the top leaders were Russian citizens .

Crossings Motion_directional occurred Coming_to_be both in areas under the control Control of pro-Russian forces and in areas that were not under their control Control , such as the south-eastern part of Donetsk Oblast , near Novoazovsk .

The ceasefire completely collapsed Destroying in January 2015 , with renewed Recovering heavy fighting across the conflict zone , including at Donetsk International Airport and at Debaltseve .

The Volnovakha bus attack Attack was an attack on a highway checkpoint near the village of Buhas outside of the Volnovakha municipality in the Donetsk Oblast , Ukraine on 13 January 2015 .

These men , who claimed Statement to be pro-Russian fighters under the banner of the Donetsk People 's Republic , subsequently gained Getting control Control of the rest of Sloviansk and began Process_start to fortify Cause_change_of_strength it .

On 5 July , after the insurgents had retreated Escaping to Donetsk City , Ukrainian authorities retook control of the city .

These protests escalated Cause_change_of_position_on_a_scale into the annexation of Crimea by the Russian Federation , War in Donbass , Russian military intervention , and the establishment of de facto independent states in Donetsk and Luhansk .

Protests Protest in Donetsk and Luhansk regions ( oblasts ) escalated Cause_change_of_position_on_a_scale into an armed pro-Russian separatist insurgency .

Contact Communication with the aircraft , a Boeing 777-200ER , was lost Earnings_and_losses when it was about from the Ukraine–Russia border and wreckage of the aircraft fell Motion_directional near Hrabove in Donetsk Oblast , Ukraine , from the border .

To reach Arriving the final , in the knockout phase Barcelona beat Competition Arsenal , Shakhtar Donetsk and lastly Real Madrid in the 212th `` El Clásico '' derby , while Manchester United beat Competition Marseille , Chelsea and Schalke 04 .