India, April 19 -- Putin invaded Ukraine out of deep resentment, blaming it for the Soviet Union's collapse and seeking revenge through brutal warfare.

LONDON: Just before 10.30 am on the Christian holy day of Palm Sunday last week, a 21-foot Iskander ballistic missile slammed into the eastern Ukraine city of Sumy, packed with worshippers returning home from church. Minutes later, as rescue workers rushed to help, a second Iskander scattered cluster munitions over the same area. An Iskander can deliver nearly a ton of high-explosives from up to 350 miles away, precision guided to within 10 or 20 metres from its target. Fired into a typical civilian neighbourhood its warhead, designed to destroy factories or hardened bunkers, can devastat...