Ukrainian forces in a priority section of the front line near Avdiivka appear to have defeated a large Russian mechanized assault involving tanks and fighting vehicles over the weekend. -snip- On March 30, Ukrainian troops outside occupied Avdiivka fought off a Russian battalion-sized mechanized assault, the Institute for the Study of War, a Washington-based think tank, said. ISW cited a Ukrainian serviceman who, on March 31, said that elements of Russia's 6th Tank Regiment sent 36 tanks and 12 BMP infantry fighting vehicles into a battle on the front line near Tonenke, a village east of Avdiivka. The serviceman said...