Kremlin tightens security ahead of Russia’s biggest national celebration on 9 May amid fears of Ukrainian drone strikes Kremlin tightens security ahead of Russia’s biggest national celebration on 9 May amid fears of Ukrainian drone strikes Russia shut down airports and temporarily cut mobile internet access for many users in Moscow on Tuesday, as it tightened security ahead of the 9 May Victory Day parade marking the defeat of Nazi Germany. The parade – Russia’s foremost national celebration –