Greece to invest $2 bn in Russia's 'Turkish Stream', will sign memorandum asap

``Greece's part of the pipeline, which will be delivering Russia's gas on from the Turkish border, will cost some $2 billion, Lafazanis said in an interview with the Rossiya24 channel. The minister said that a Greek state company will be involved in the project, adding that there has been "big interest" from many companies wishing to take part in the construction and future operation of the pipeline.''