(CNN) — North Korea is demonstrating “no willingness” to resume negotiations on its nuclear activities, the British ambassador to the country said Friday.

Peter Hughes spoke to reporters from the North Korean capital of Pyongyang a day after the country test-fired four short-range missiles off its coast. A U.S. official described the launches as “provocative acts.”

“I have seen no willingness on their part to engage in negotiations whatsoever,” Hughes said of the North Koreans.

The six-party talks on North Korea’s nuclear program have been stalled for more than a year.

MOSCOW (Reuters) - U.S. and Russian negotiators have still not reached agreement on cutting stocks of their deadliest nuclear weapons ahead of President Barack Obama's first visit to Moscow on Monday, sources close to the talks said.

JERUSALEM (Reuters) - An Israeli submarine sailed the Suez Canal to the Red Sea as part of a naval drill last month, defense sources said on Friday, describing the unusual maneuver as a show of strategic reach in the face of Iran.