Kharkiv (Ukraine) (AFP) - Ukrainian President Volodymyr Zelensky made his first trip Sunday to the war-torn east since Moscow's invasion started, as Russian forces tightened their grip around key cities in the Donbas region.
Zelensky's office posted a video on Telegram of him wearing a bullet-proof vest and being shown destroyed buildings in Kharkiv and its surroundings, from where Russian forces have retreated in recent weeks.
Since failing to capture the capital Kyiv in the early stages of the war, Russia has shifted its focus to the eastern Donbas region as it attempts to consolidate areas under its control.
Its forces said on Saturday they had captured Lyman in the contested region and were upping the pressure on the twin cities of Severodonetsk and Lysychansk.
Zelensky has been based in Kyiv since Russian President Vladimir Putin launched his full-scale attack on Ukraine on February 24.
"In this war, the occupiers are trying to squeeze out at least some result," Zelensky said in a later Telegram post Sunday.
"But they should have understood long ago that we will defend our land to the last man," he added.
The Ukrainian president was set to speak to European Union leaders at an emergency summit Monday to decide on a Russian oil embargo.
Member states were considering excluding Russian pipeline oil as they sought to break the deadlock on a sixth round of economic sanctions, EU sources told AFP.
'Constant shelling'
The situation in Lysychansk had become "significantly worse", the regional governor of the Lugansk region, Sergiy Gaiday, said on Telegram.
"A Russian shell fell on a residential building, a girl died and four people were hospitalised," he said.
On the other bank of the Donets river, Russian forces "carried out assault operations in the area of the city of Severodonetsk," according to the Ukrainian general staff.
Fighting in the city was advancing street by street, Gaiday said.
In the embattled city, where an estimated 15,000 civilians remain, a local official said "constant shelling" made it increasingly difficult to get in or out.
"Evacuation is very unsafe, it's isolated cases when we manage to get people out.Now the priority is for the wounded and people who need serious medical assistance," said Oleksandr Stryuk, head of the city's military and civil administration.
The water supply is also increasingly unstable, and residents have gone more than two weeks without a mobile phone connection, he added.
On Sunday, the Russian defence ministry said it had destroyed a Ukrainian armed forces arsenal in the southeastern city of Kryvyi Rih with "long-range high-precision missiles".
Russian forces also targeted a Ukrainian anti-air defence system near Mykolaivka in the Donetsk region, as well as a radar station near Kharkiv and five munitions depots, one close to Severodonetsk.
'New face'
Zelensky discussed reconstruction plans with local officials on his trip to Kharkiv, saying there was a chance for areas devastated by Russian attacks to "have a new face".
According to local officials over 2,000 apartment blocks have been wholly or partially destroyed by Russian shelling in the region.
In the city of Kharkiv itself, customers were returning to the well-known Crystal cafe in the central public park after it reopened its doors at the end of April.
Residents come by for a coffee, a bite to eat or to sample the "Biloshka" ice cream, a Crystal speciality the vendor has been serving since the 1960s.
"We need to keep employment.The city is coming back little by little," the cafe's manager, Alyona Kostrova, 36, told AFP.
The menu has been trimmed due to supply problems and the locale is operating with a reduced staff, down to seven or eight from 30 or 40 before the war.
Far from the city centre in the neighbourhood of Saltivska, where Russian shells continue to fall, the atmosphere is different.
"I would not say that people are buying a lot.People have no money," said Vitaly Kozlov, 41, who peddles eggs, meat and vegetables locally.
Volodymyr Svidlo, 82, told AFP he "has no pension", and comes "once a week" to the neighbourhood to sell items, such as onions, dill and flowers, from his garden in order to make ends meet.
Emergency summit
Zelensky will speak to EU leaders at their emergency, as he seeks to crank up international pressure on Moscow.
A new round of European sanctions has been held up by Hungary, whose Prime Minister Viktor Orban has close relations with Russian President Vladimir Putin.
The landlocked country is dependent for most of its oil needs on Russian crude supplied via the Druzhba pipeline.
Hungary has asked for at least four years and 800 million euros ($860 million) in EU funds to adapt its refineries and up pipeline capacity for alternative suppliers, like Croatia.
But under a new proposal put to national negotiators on Sunday the Druzhba pipeline could be excluded from a sanctions package, which would only target oil shipped to the EU by tankers.
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