Ukrainian soldier rescued by drone chopped off own leg while hiding for nearly 500 days

Ukraine rescued soldier Kostiantyn Vlasenko using drone after he spent nearly 500 days hiding from Russian forces on front line in Kharkiv region. Vlasenko reportedly chopped off his own leg after frostbite caused it to rot. He survived in an abandoned school and later in a cast-iron furnace to avoid being hit by drones. Ukraine dropped food/medical supplies for him.