A military base in Ukraine close to the Polish border have been hit in a Russian missile attack that killed at least nine people and injured 57 others, Ukrainian authorities say.
On the ground, officials placed the death toll as high as 20, The Guardian reports.
The International Center for Peacekeeping and Security (ICPS) in Yavoriv, located 10 miles from Poland, was hit by a Russian air strike on Sunday at 5.45am.
Foreign military instructors were working at the base, but it was not clear if anyone was present at the time, said Ukrainian Defense Minister Oleksii Reznikov.
“Russia has attacked the International Center for Peace and Security near Lviv. Foreign instructors are working here. Information about the victims is being clarified,” Mr Reznikov said in a tweet.
He added that the attack was a “terrorist attack on peace and security” and called on allies to enforce a no-fly zone.
The governor of Lviv, Maksym Kozytsky, said Russia fired 30 rockets at the military base.
Poland has issued a condemnation of the attack near the country’s border.
“Poland condemns any element of aggression against Ukraine, including shelling of the Yavoriv base,” a spokesman for the Polish Foreign Ministry said in a message sent to Reuters.
The ICPS is a military facility where soldiers were mainly trained for peacekeeping operations with NATO countries.
The base, which is 57.2 miles from the center of Lviv, can accommodate up to 1,790 people, the BBC reported.
The mayor of Ivano-Frankivsk, another city in western Ukraine, said Russian missiles had hit an airport there.
“This Sunday morning in Frankivsk started with explosions. This is the third battle in Frankivsk. Hitting the airport, “said Ruslan Martsinkiv in a Facebook post.
Martsinkiv said it was the second day in a row the airport had been hit by the RussiansKyiv Independent reported.
The Russian attack on the military facility in Yavoriv is believed to be the westernmost attack since the war began 18 days ago.
In an intelligence update Sunday morning, the Defense Ministry (MoD) said Russian troops are trying to envelop Ukrainian forces in the eastern part of the country.
“Russian forces are trying to envelop Ukrainian forces in the eastern part of the country as they advance from the direction of Kharkiv in the north and Mariupol in the south.
“Russian forces advancing from Crimea are trying to bypass Mykolaiv while appearing to be heading west towards Odesa.”
MoD added that Russia “pays a high price for every advance” as The Ukrainian armed forces continue to offer strong resistance.