Talks held near the Swedish capital Stockholm that ended Monday and included representatives from North and South Korea and the United States were constructive, Sweden’s foreign ministry said, Reuters reported.

“Constructive talks have been held covering issues concerning developments on the Korean peninsula, including confidence building, economic development and long-term engagement,” a ministry spokesperson said.

North Korean Vice Foreign Minister Choe Son Hui, US Special Representative for North Korea Stephen Biegun, and South Korean negotiator Lee Do-hoon took part in these talks.