the project, costing more than £8 billion finished last september, but still awaiting approval from european regulators. the us has threatened to halt opening a key energy pipeline, if russia decides to invade ukraine. the nord stream ii pipeline between russia and germany is set to supply natural gas to western europe. the project costing more than eight billion pounds finished last september, but is still awaiting approval from european regulators. let's speak to drjack sharples, research fellow at the oxford institute for energy studies. ina way, in a way, this is an extraordinary intervention by the us, but this pipeline has really been at the centre of clinical difficulty between europe, germany in particular and russia. absolutely, - re particular and russia. absolutely, pretty much _ particular and russia. absolutely, pretty much since _ particular and russia. absolutely, pretty much since its _ particular and russia. absolutely, pretty much since its inception, i particular and russia. absolutely, i pretty much since its inception, the construction itself was beset by sanctions by the us, the targeted vessels being used to lay the pipeline. the construction was halted for months and months until recently, now there's battles over whether the pipeline can actually