Russia, US officials met in Saudi Arabia’s Riyadh, discussing partial ceasefire in Russia-Ukraine war. Focus landed on Black Sea truce, control line setup—BBC report.

Diplomatic push intensifies as Washington, Moscow explore conflict de-escalation. Meanwhile, Russian missile strike hit Ukraine’s Sumy region, injuring 70+, damaging homes, schools, key structures, Ukrainian officials report.

Meetings unfolded rapidly—Sunday with Ukraine reps, Monday with Russian counterparts. White House calls it “shuttle diplomacy,” mediating between sides. National Security Advisor Mike Worlds highlighted talks covering Black Sea shipping safety, reducing hostilities, plus returning displaced Ukrainian children.

Russia insists Kyiv abandon NATO ambitions withdraw troops from occupied zones as ceasefire terms.

Agenda also eyes 30-day truce, reviving Black Sea Initiative. Russia gauges Washington’s stance signaling openness.

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Yet, diplomats warn major breakthroughs remain unlikely. Moscow’s message: dialogue with US resumes after three-year gap offering rare window. Sumy attack underscores urgency casting shadow over fragile negotiations.