North Korea regrets the outcome of the last two days of talks with U.S. officials in Pyongyang, the country’s foreign ministry said in a statement carried by the country’s Korean Central News Agency (KCNA) on Saturday.

In comments released just hours after U.S. Secretary of State Mike Pompeo departed from Pyongyang after two days of talks with North Korean officials, Pyongyang said the attitude of American negotiators had been “regrettable.”

“The results of the talks are extremely worrisome,” the statement by an unnamed foreign ministry official reads.

While Pyongyang had hoped the United States would “come up with constructive