NATO Secretary-General Mark Rutte said Sunday that he doesn't believe there is a risk that peace negotiations in Alaska with President Trump and Russian President Vladimir Putin will reward Russia for its invasion of Ukraine.

ABC News's Jonathan Karl asked Rutte on "This Week" if he believed, like former national security adviser John Bolton does, that negotiations are sliding in Russia's favor, which could potentially reward the country for its invasion.

"No, I don’t think the risk is there," Rutte replied. "And all my respects for John, and please send him my best regards, but I would not agree on this point with him. We have seen President Trump putting incredible pressure on Russia."

“So, this is all clear evidence that President Trump is absolutely adamant to bring this war to an end, but also to keep maximum pressure on Putin," Rutte later added.

Rutte said the Friday meeting between to two leaders was important because it "is testing Putin, how serious he is in this whole process, which will then have to continue after Friday, with Ukraine involved, with others involved, to bring this war to an end."

Trump and Putin are set to

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