Ukrainian soldiers say they're having to abandon vehicles and hike for miles to the front lines because of exploding Russian drones

• Ukrainian soldiers are moving forward on foot, abandoning their vehicles due to drone threats.
• Troops told The New York Times that Russian exploding drones are  ever-present and deadly. 
• One brigade hiked for miles through rain and mud to get ammo and food to troops. 

Ukrainian soldiers say they are often being forced to move and fight on foot due to the ever-present threat of exploding drones.

Ukrainian troops say Russia is turning up the heat and no vehicle is safe from devastating one-way attack drones. Russian forces have had similar problems.