Islamabad has stepped up work on its bilateral agreements with Tehran including the implementation of a Pak-Iran gas pipeline project despite US threats. “Construction work on the pipeline in Iranian area was completed. And on remaining portion that was to be constructed in Pakistani area the survey has been completed. Pakistan is bearing losses due to energy crises and it would go ahead with different options including Iran,” The Nation quoted a Pakistani official as saying on Thursday. The Pakistani source added Islamabad had not backed down from its trade agreement with Iran. On December 19, high-ranking Islamabad diplomats said...