The Ukrainian military released a video Thursday purportedly showing its forces blowing up a bridge ahead of advancing Russian troops. 

The 13-second clip, which is shot in a first-person view, shows soldiers hiding behind a vehicle before an explosion on the road in front of them sends smoke rising into the air. 

"Operators of the Special Operations Forces of the Armed Forces of Ukraine demonstrated skillful combat work, The bridge right in front of the column of Russian occupiers was blown up," Ukraine’s army said in a Facebook post. "To be continued... Let's win together!" 

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It was not immediately clear where the footage was taken.

In another post providing an update on fighting in Ukraine, the army said "the Russian enemy is trying to continue offensive operations in the Eastern Operational Zone in order to establish full control over the territory of Donetsk and Luhansk oblasts." 

Russian military vehicles move on a highway in an area controlled by Russian-backed separatist forces near Mariupol, Ukraine, on Monday.

Russian military vehicles move on a highway in an area controlled by Russian-backed separatist forces near Mariupol, Ukraine, on Monday. (AP/Alexei Alexandrov)

As of midday Thursday in Ukraine, Russia now controls 80% of the Luhansk region, the Associated Press is reporting, citing its governor. 

But Ukraine’s army is saying that it is continuing to repel Russian attacks. 

Fighting in Ukraine has shifted to the eastern part of the country.

Fighting in Ukraine has shifted to the eastern part of the country. (Photo by ANATOLII STEPANOV/AFP via Getty Images)

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"Nine enemy attacks have been repulsed in Donetsk and Luhansk oblasts over the past 24 hours, one tank, ten armored units and two vehicles, one artillery system, two special engineering units, an anti-aircraft missile system and an enemy ammunition depot have been destroyed," it said on Facebook. 

"The Air Force of the Armed Forces of Ukraine has hit four air targets in the previous day: three unmanned aerial vehicles and one cruise missile," the military added.