Russia has launched a wave of attacks on Ukraine’s capital Kyiv, striking residential buildings and energy infrastructure.

The Russia-Ukraine conflict has seen almost four years of failed peace plans, blueprints and high-level summits. A new U.S. push to end the fighting has set off the latest flurry of diplomacy, with American,

Kyiv and its allies voiced optimism Tuesday that talks with an American delegation had produced changes to the plan, while the Kremlin said it was waiting to hear more.

Army Secretary Dan Driscoll was at the White House earlier this month and preparing for a trip to Kyiv to discuss drone technology when he received an unexpected assignment from President Donald Trump: push Ukraine to come back to the table for peace talks with the Russia — and do it fast.

Russia launched a large-scale attack on Ukraine on Tuesday, as American and Russian officials held talks in Abu Dhabi about President Donald Trump’s peace plan and Ukraine indicated that President Volodymyr Zelenskyy was prepared to go to Washington to finalize a deal.

The proposed 28-point peace deal followed secret negotiations by envoys of Russia and US President Donald Trump.

Meetings in Switzerland. Talks in the United Arab Emirates. A possible Ukrainian presidential visit to the United States.

Ukrainian, American and European officials gathered in Geneva on Nov. 23 to discuss a draft plan presented by Washington to end the war in Ukraine.