On 24 February 2022, the first day of the Russian invasion of Ukraine, a military engagement took place in the city of Sumy, located near the Russia–Ukraine border. Ukrainian paratroopers and territorial defense forces began engaging Russian forces within the city, resulting in heavy urban fighting and the destruction of a Russian tank column. That evening, Ukraine's paratroopers were ordered to withdraw from the city, leaving the city's defense to a few thousand local volunteers armed with rifles, limited anti-tank weapons and no armed vehicles or heavy weaponry. After three to four days of failing to enter the city, the Russian military shifted to encircle and bypass the city, and were then subject to guerrilla ambushes.
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