“Cuba’s nationwide power-grid collapse combines acute humanitarian distress with escalating geopolitical friction. The domestic blackout is real and ongoing (machine), and its persistence is amplified by fuel scarcity driven by U.S. sanctions (map). Havana therefore seeks external fuel; at least one Russian-flagged tanker is reported en route (mechanics). Washington has publicly warned that such deliveries violate sanctions, but prior episodes show cargos are often quietly redirected mid-voyage under diplomatic or commercial pressure. The most probable pathway is thus: 1) the tanker changes destination (e.g., Trinidad) to avoid seizure, satisfying U.S. demands; 2) Cuba still suffers rolling blackouts, prolonging economic pain (mood) and increasing domestic unrest; 3) within 4-8 weeks, Havana secures smaller fuel parcels via secondary traders, allowing gradual grid recovery but not full stability. Overall risk posture: HIGH—continued humanitarian and political stress with a non-trivial chance (≈20%) of sudden escalation if a sanctioned cargo forces a maritime confrontation.”