Two ships have sunk off the coast of Bulgaria and Romania after drone attacks in recent days.
Sofia has held back on pointing the finger at Russia.
What does that mean for security in the Black Sea and the region?
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Russia, China hypersonic missile threats fuel need for space defense, satellite CEO says
Security in the Black Sea region: is Bulgaria the weak link in Europe's defense against threats from Russia?
Russian strike on buses kills at least 30, say officials, as deadly attacks on Ukraine surge
Lab where Russian worker died suspected of previously developing bioweapons
30 dead in strike on Ukraine bus as Russian attacks intensify
The original report was published by Deutsche Welle. WorldPing does not claim that reporting — this page summarises and contextualises it.
Read the full report at Deutsche WelleLiving hubs that keep updating as this story develops.
Space-based systems could detect and track incoming missile threats and intercept them either from land or space.
Brief by WorldPing · Original reporting by CNBC World
WorldPingEthereum co-founder Vitalik Buterin warned that the crypto industry should take risks to cryptography from AI-accelerated math seriously.
Brief by WorldPing · Original reporting by The Block
WorldPingThirty people were killed and at least 18 were injured by Russian strikes in eastern Ukraine that included an attack on a public bus, authorities said Thursday, as an intensive pre-winter wave of attacks continued.
Brief by WorldPing · Original reporting by France 24
The lab in Irkutsk, where the Russian worker died, has long been suspected of developing bioweapons, according to author Annie Jacobsen, who recently released her nonfiction book, "Biological War: A Scenario." Leigh Kiniry reports.
Brief by WorldPing · Original reporting by CBS News
Mark Esper, who served as U.S. Secretary of Defense during Trump's first presidential term, said he did not see the conflict ending in the foreseeable future.
Brief by WorldPing · Original reporting by CNBC World
WorldPingUkraine accused Russia of targeting the crowded vehicles in the front line city of Kramatorsk to kill as many civilians as possible.
Brief by WorldPing · Original reporting by BBC News
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