(NEW YORK) — More than nine months after Russian President Vladimir Putin launched an invasion into neighboring Ukraine, the two countries are engaged in a struggle for control of areas throughout eastern and southern Ukraine.

Putin’s forces in November pulled out of key positions, retreating from Kherson as Ukrainian troops led a counteroffensive targeting the city. Russian drones have continued bombarding civilian targets throughout Ukraine, knocking out critical power infrastructure as winter sets in.

Here’s how the news is developing. All times Eastern:

Dec 26, 7:40 AM EST
Ukraine strikes bomber base in Russia, killing three

A Ukrainian drone attack on the Engels Air Force Base in southern Russia killed three, Russia’s Ministry of Defense said.

A spokesman for Ukrainian Air Force confirmed the attack, saying, “If the Russians thought the war would not touch them they were wrong.”

Russian air defence reportedly shot down a Ukrainian drone flying at low altitude, but falling debris caused the casualties in the overnight attack.

The Engels base lies just over 300 miles northeast of Ukraine’s border with Russia. The facility has been repeatedly used by Russia to carry out missile strikes on targets in Ukraine.

Ukrainian forces had attacked another Russian air base on Dec. 5, killing three and damaging two strategic bombers.

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