India, June 2 -- In a big blow to Russia, Ukraine launched a large-scale drone strike codenamed "Spider's Web" targeting Russian military airbases deep within Russia's territory.

According to President Volodymyr Zelensky, the operation marked Ukraine's longest-range strike to date.

The mission, which Zelensky said took a year and a half to plan, was described as a major strategic achievement. "One year, six months, and nine days from the start of planning to effective execution. Our most long-range operation. Our people involved in preparing the operation were withdrawn from Russian territory in time," he posted on X, calling it an "absolutely brilliant result."

He said that the strike was an act of self-defence, aimed at compelling Ru...