Ukraine fired a large wave of drones at Moscow overnight, killing one person and injuring several, Russian officials said, making this the biggest such strike on the Russian capital in two years.
An oil deal linked to allies of US President Trump has become part of talks between the US and Russia on ending the Ukraine war, though which company and what terms are unclear.
Russia struck both of Kyiv's main bridges over the Dnipro River on back-to-back days, disrupting supplies into the capital.
Donald Trump said he might ask European governments to release diesel reserves after fuel prices hit record highs, and this has pulled the UK into emergency talks with Brussels.
Russia's President Vladimir Putin threatened to use nuclear weapons against NATO countries if the alliance takes action over Kaliningrad, a Russian territory wedged between Poland and Lithuania.
Russia launched missiles and drones at Kyiv overnight, killing at least three people including a child, days after a similar strike forced NATO jets to scramble over Poland and Romania.
The United States has banned Canadian alcohol, dairy and motorcycles, the first real step since trade talks collapsed in August, with no restart in sight.
Iran offered to reopen the Strait of Hormuz, a key shipping route, a week after any deal, but Trump rejected it.
Trump and Xi finished a Washington summit with a two-month pause on tariffs and a formal dinner, but did not say publicly whether they discussed Taiwan, the self-governing island China claims as its own.
Russian missiles and drones killed two people in Kyiv, and NATO — the military alliance of the US and European countries — scrambled fighter jets over Poland and Romania in response.
American and Iranian officials met for the first time since a June ceasefire collapsed, with President Trump saying beforehand that Iran must choose between a deal and 'annihilation,' then calling the meeting productive.