Key updates on May 1: * Ukrainian drones attack oil refineries in Russia's Ryazan, Voronezh oblasts * Norway to allocate over $630 million for Ukrainian air defense, ammunition * Death toll of Russia's April 29 strike on Odesa rises to 6 * Latvian FM: Some countries have provided Ukraine weapons with no restrictions on

Key updates on May 1: * Ukrainian drones attack oil refineries in Russia’s Ryazan, Voronezh oblasts * Norway to allocate over $630 million for Ukrainian air defense, ammunition * Death toll of Russia’s April 29 strike on Odesa rises to 6 * Latvian FM: Some countries have provided Ukraine weapons with no restrictions on