The Lead With Jake Tapper
$200 million round of military aid for ukraine which includes artillery, air munitions and mine clearing equipment. they declare ukraine is the most heavily mined country in the world. nick paton walsh got exclusive access to a team that finds those deadly explosives on the front lines. >> reporter: the fires still smolder at dusk, moving to the very front of ukraine's counteroffensive. there was intense bombardment around this area. now the sun is setting. there's the occasional round being fired. most of it seems to be toward russian positions. we're here to learn of a new