In a defiant response to President Trump’s 50-day ultimatum, Russia has unleashed another massive aerial assault on Ukraine, launching over 400 drones and a ballistic missile at key cities, including Kharkiv and Kryvyi Rih.

Russia targeted Ukraine with more than 1,800 drones, 1,200 guided aerial bombs and 83 missiles of various types, President Zelenskyy said.

Europol has announced a major international operation targeting a pro-Russian cybercrime group. The group, called NoName057(16), has been linked to denial-of-service attacks on Ukraine and NATO allies.

A Russian official says American Daniel Martindale has been rewarded with citizenship for spying on Ukraine, "by decree of our President Vladimir Putin."

Trump's moves underline his growing disenchantment with Russian President Vladimir Putin over the lack of progress in U.S.-led efforts to secure a ceasefire.

Ukrainian Security Service says two Russian FSB agents suspected of killing Colonel Ivan Voronych on July 10 have been "neutralized" in Kyiv Oblast.

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions on its energy exports has given the Kremlin extra time to pursue its summer offensive.

KYIV, July 13 (Reuters) - Ukrainian intelligence agents on Sunday killed members of a Russian secret service cell wanted on suspicion of having shot dead a colonel in Ukraine's SBU security service last week, the SBU said.

Officials have warned Russian President Vladimir Putin that a demographic crisis could mean the country he leads will be short millions of workers by the end of the decade.