China's President Xi Jinping attends the signing ceremony at the Presidential Palace in Helsinki, Finland April 5, 2017. Lehtikuva/Vesa Moilanen/via REUTERS

BEIJING (Reuters) - All sides should exercise restraint and return to the correct path of talks as soon as possible to resolve issues on the Korean peninsula, Chinese President Xi Jinping said on Wednesday, state media said.

Xi made the comments to Philippine President Rodrigo Duterte in a telephone call, state radio said.