Kyiv (Ukraine) (AFP) – Ukraine said the “strongest” shelling by Moscow so far of the southern city Mykolaiv killed a grain tycoon Sunday, as Russia claimed an attack from a drone wounded six personnel at the headquarters of its Black Sea fleet in annexed Crimea. AFP journalists witnessed intense Russian bombardment of the eastern town of Bakhmut after President Volodymyr Zelensky called for civilians to leave the front line Donetsk region bearing the brunt of the Kremlin’s offensive. Russian authorities in the Crimean Black Sea peninsula — seized by Moscow from Ukraine in 2014 — said a smal…