President Volodymyr Zelensky of Ukraine spoke with the leaders of the US, France and Turkey on Sunday, stepping up diplomatic exercise within the tenth month of the struggle and shoring up army and humanitarian assist.

Mr. Zelensky’s push comes as the most recent spherical of Russian airstrikes have focused and broken important Ukrainian infrastructure, leaving tens of millions with out dependable warmth and energy as winter units in, and forward of conferences this week — a digital gathering of the Group of seven nations, a gathering of E.U. overseas ministers, and a global convention targeted on help for Ukraine.

Whereas the weekend calls with Mr. Zelensky touched on points central to the struggle, together with grains, the worldwide financial system and defending in opposition to Russia, there have been no indicators that Russia and Ukraine have been nearer to assembly to debate an finish to the struggle that started in February when Russia invaded.

Mr. Zelensky “coordinated positions” with President Biden in regards to the upcoming G7 summit of their cellphone name on Sunday, the Ukrainian president mentioned on social media, including that Ukraine would take part within the assembly. The White Home mentioned in a press release that Mr. Biden emphasised that the U.S. would prioritize strengthening Ukraine’s air protection system.

President Biden had mentioned earlier this month that he was open to talking with the Russian chief, Vladimir V. Putin, about ending the battle however had “no quick plans” to take action. Regardless of some hope {that a} current prisoner trade between the US and Russia would possibly result in extra substantial talks on Ukraine, Mr. Putin has not expressed a willingness to advance talks.

Within the name with the French chief, Mr. Zelensky mentioned that he and President Emmanuel Macron mentioned methods to “synchronize positions” forward of the G7 talks on Monday. In his nightly handle, he described the hour-long cellphone name as “very significant.” He added that Mr. Macron supported his peace plan.

Mr. Macron said on Twitter that he mentioned with Mr. Zelensky two upcoming conferences going down in France, together with one that may hyperlink French corporations in search of contracts in Ukraine with officers from that nation. The opposite occasion will give attention to elevating cash to assist Ukraine get by the winter.

Mr. Zelensky additionally spoke with President Recep Tayyip Erdogan of Turkey about constructing on the grain deal that Mr. Erdogan brokered between Ukraine and Russia. Earlier within the struggle, Mr. Erdogan pushed for talks between the 2 nations that ended with out a peace deal, however bought Ukraine and Russia’s high diplomats to take a seat down.

Mr. Erdogan additionally spoke to Mr. Putin earlier on Sunday by cellphone, throughout which he expressed to Mr. Putin his “honest want” for the struggle to finish as quickly as potential, according to Mr. Erdogan’s workplace.