It looks like Russia is trying to overrun Ukrainian defenses with mechanized assaults before mud and more weapons can wreck its plans, analysts say

• Russia has been increasing the number and size of its mechanized assaults in recent weeks.
• War experts suggest Russian forces could be hoping to overrun Ukrainian defenses before more Western aid arrives.
• Ukraine has so far fought off these assaults, despite very limited ammo and supplies.

Russian forces in recent weeks have been launching larger and more frequent mechanized assaults against Ukraine, suggesting they're hoping for a breakthrough before more Western aid eventually arrives.