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Andrew Yemak resigned as chief of staff to Ukraine's president, Volodymy Zelensky, after anti-corruption agents raided his home, Mr. Yamak had been leading Ukraine's

peace negotiations with Russia. Mr. Zelensky said he will shortly hold, quote, consultations to find a

replacement. The corruption probe is reportedly part of a wider investigation that has

toppled several officials close to the

president. Airlines warned of potential disruption to services after Airbus announced that a

quote significant number of its A320 planes used for short and medium-haul flights needed an immediate

software update. A recent incident,

reportedly on a flight from Cancun in Mexico to Newark, near New York, had shown that, quote,

intense solar radiation may corrupt data critical to the functioning of flight controls. About

6,000 planes are thought to be affected.

Vladimir Putin, Russia's president, greeted Victor Orban, Hungary's Prime Minister in Moscow.

Mr. Putin welcomed Mr. Orban's offer to host a Russo-American summit to end the war in Ukraine. Mr. Orban said he hoped to

secure Russian energy supplies for the winter. Other European leaders condemned Mr. Orban's trip.

On Thursday, Mr. Putin insisted Ukraine would have to surrender territory in any peace deal.

...