ISLAMABAD: Foreign Minister Bilawal Bhutto Zardari Friday said Pakistan wished to maintain the positive momentum in the bilateral relations with Russia. The minister, in his message to his Russian counterpart Sergey Lavrov, thanked him for his felicitation message on the assumption of the office. Bilawal Bhutto said Pakistan wanted to maintain a positive momentum in bilateral ties, which served not only the respective national interests but also contribute to regional peace and stability.