Russian state gas giant Gazprom said on Saturday it had signed a protocol with the Turkish government on a planned gas pipeline and agreed with Turkish firm Botas to end an arbitration dispute over the terms of gas supplies.  The protocol concerned the land-based part of the transit leg of the TurkStream gas pipeline, which Gazprom said meant that work to implement it could now begin. Turkey had delayed issuing a permit for the Russian company to start building the land-based parts of the pipeline which, if completed, would allow Moscow to reduce its reliance on Ukraine as a transit route for its gas supplies to Europe. […]