Prime Minister A.B. Vajpayee tonight admitted his peace initiative with Pakistan had suffered a setback owing to statements of Pakistani President Pervez Musharraf but felt a fresh impetus was needed to bring about amity between the two countries.‘‘Yes, the peace process has suffered a setback,’’ he said after arriving from Zurich at the end of his 13-day tour during which he visited Turkey and addressed the UN General Assembly in New York.Replying to questions on Indo-Pak issues, the PM said all efforts should be made to ensure that outstanding issues between India and Pakistan are resolved through a dialogue and in a peaceful manner.On the issue of Iraq, he said developments in the war-ravaged country were high on his agenda of discussions with world leaders in New York but asserted the UN had to play a bigger role there.The PM said he had clearly stated India’s position on Iraq during his engagements at the UN. ‘‘The role of UN in Iraq is not clear and the world body needs to have a greater say,’’ he said.Describing his visit to Turkey as ‘‘successful’’ Vajpayee said New Delhi shared democratic and secular principles with Ankara. ‘‘All efforts will be made to give a boost to trade between the two countries.’’Deputy Prime Minister L.K. Advani and Murli Manohar Joshi were standing side by side to receive the PM. They were, however, not seen talking to each other.