By Jonathan Landay FASTIV, Ukraine (Reuters) – A salvo of missiles brought the Kremlin’s war on Ukraine to Fastiv, a quiet town abounding with flowering cherry trees and set in sweeping farmland hundreds of kilometres from the front lines. The strike on April 28, which injured two people, hit an electrical substation that feeds power to a confluence of railway lines that forms a key hub of networks linking central Europe, Russia, and Asia. The damage quickly was repaired, said Ukrainian officials, and a Reuters visit last week revealed no lingering impact. Trains plied between Kyiv and the sou…