Pro-Russian protesters stand in formation near a Ukrainian military base in Mariupol. Ukraine’s interior minister said today that three pro-Russian separatists were killed in shooting that broke out overnight in the town on the Sea of Azov. Photograph: Stringer/Reuters

Putin says ‘there are no Russian agents in Ukraine’

Soldiers from the Ukrainian Army sit atop combat vehicles as they are blocked by people on their way to the town of Kramatorsk. Pro-Russian insurgents commandeered six Ukrainian armored vehicles along with their crews and hoisted Russian flags over them Wednesday, dampening the central government’s hopes of re-establishing control over restive eastern Ukraine.

Kiev loses more ground in restive regions near Russia

Villagers talk with Ukrainian soldiers yesterday as they gather at a railway to stop Ukrainian tanks moving towards the airport. The start of what the Ukrainian government has called a military operation stalled when six armoured personnel carriers were seized. Photograph: Mauricio Lima/The New York Times

Armoured vehicles taken by pro-Russian gunmen and blocked by angry civilians

Masked pro-Russia protesters stand guard at a barricade yesterday outside a regional government building in Donetsk, in eastern Ukraine.  Photograph: Reuters/Marko Djurica

Industrial region of Ukraine on edge as Kiev pledges to retake official buildings

Pro-Russian protesters attend a rally in front of the occupied regional administration building in Slaviansk, east Ukraine yesterday. Russia continued to deny any involvement with unrest in the region, foreign minister Sergei Lavrov saying: “We don’t interfere in Ukraine’s internal affairs.” Photograph: Roman Pilipey/EPA

Acting president calls on UN to send troops to eastern cities as separatists tighten grip

Pro-Russian protesters attend a rally in front of the seized office of the SBU state security service in Luhansk, eastern Ukraine, on Monday.  Photograph: Shamil Zhumatov/Reuters

Disloyalty and corruption hamper Kiev’s crisis response

Pro-Russian protesters, one carrying an icon allegedly found in seized state security service office in Luhansk. The icon was given to nearest Orthodox church. Photograph: Reuters/Shamil Zhumatov

Moscow calls for urgent UN Security Council meeting after clashes in east of Ukraine

Russian foreign minister Sergei Lavrov: “We want Ukraine to be whole within its current borders, but whole with full respect for the regions.” Photograph: EPA/Sergei Ilnitsky

Kiev premier’s assurances fail to dislodge pro-Moscow protesters from buildings

A man looks at graffiti in Odessa produced to support the territorial integrity of Ukraine and to protest Russia’s annexation of Crimea. The graffiti depicts Russian president Vladimir Putin and reads: “No to war; yes to peace!” Photograph: Reuters/Yevgeny Volokin

City close to Poland fiercely pro-revolutionary and pro-EU

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