India, Aug. 7 -- Ukraine hit more oil facilities deep inside Russia in overnight attacks, President Volodymyr Zelenskyy said on Thursday, as Kyiv kept up its campaign to undermine Moscow's wartime economy and embarrass the Kremlin.

The repeated strikes have caused fuel shortages and rattled Russians. Ukrainians, meanwhile, are enduring regular barrages that Kyiv's depleted air defences are struggling to counter amid Moscow's 4-year-old full-scale invasion.

The Kyiv region observed an official day of mourning Thursday after a Russian missile and drone blitz killed 17 people the previous day, prompting an increasingly urgent scramble by Ukraine and its partner countries to find new air defence supplies. In the first six months of this yea...