Russian foreign minister Sergei Lavrov has said the US and Russia are moving in the "right direction" to end the war in Ukraine.
"We are ready to reach a deal, but there are still some specific points - elements of this deal which need to be fine-tuned," Mr Lavrov told CBS News' Face The Nation show, which will air on Sunday.
"We continue our contacts with the American side on the situation in Ukraine, there are several signs that we are moving in the right direction."
It comes after Ukraine's capital of Kyiv came under the largest attack since July last year with at least 12 people killed and more than 100 injured.
Ukraine's air force said a total of 215 drones and missiles were launched at the country by Russia on Wednesday night, with Kyiv among the areas worst hit.
Ukrainian officials said rescuers were still recovering bodies from the rubble.
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The strikes triggered a reaction by Mr Trump, who posted on his Truth Social platform saying: "I am not happy with the Russian strikes on KYIV.
"Not necessary, and very bad timing. Vladimir, STOP! 5000 soldiers a week are dying. Let's get the Peace Deal DONE!"
The US president was then asked about the Russian attacks while hosting Norway's prime minister in the Oval Office, and said he "wasn't happy" but insisted "we're putting a lot of pressure on Russia".
He was also asked about Crimea following reports that his peace plan includes the US acknowledging Moscow's control of the territory.
Mr Trump admitted it would be "very difficult" for Ukraine to get the territory back, but reiterated his belief that "we're getting close to a deal".
US secretary of state Marco Rubio said the US wanted to see both Ukraine and Russia step up to finalise a deal and further discussions were planned for the weekend.
Ukrainian President Volodymyr Zelenskyy has repeated many times that recognising occupied territory as Russia's is a red line for his country.
Speaking about the airstrikes, he said: "It is very important that everyone in the world sees and understands what is really happening."
Mr Zelenskyy was on a visit to South Africa when the missiles hit his country, prompting him to cut the trip short.
He said preliminary information indicated that Russia "used a ballistic missile manufactured in North Korea" and Ukraine's special services were verifying the details.
He added if the missile was found to have been made in North Korea, it would be further proof "of the criminal nature of the alliance between Russia and Pyongyang".
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