New field will enable eventual exports to China via 'western route' through Altai Mountains.
Accident involving drilling works sparks massive blaze but thankfully no injuries.
Dignitaries gather on Chinese side of the pipeline to witness the formal welding of the first joint in $55billion line.
Agreement means Power of Siberia pipe could be delayed, it is claimed.
Altai route for gas to China could take priority, reported Reuters.
After months of speculation, parliament and President rubber-stamp deal that will see gas sent to China.
Permanent customs task force unveiled as Sabetta gears up to take Russian goods and gas over the top of the world.
Gazprom says operations are 'in full swing' with work due to start soon on iconic pipeline to provide gas on eastern route.