Reports of carmaker’s warning come as lobby group says EU proposals could damage £70bn cross-channel tradeBusiness live – latest updatesThe Japanese carmaker Nissan has reportedly said it could be forced to close its plant in Sunderland if the UK is not fully included in new “Made in Europe” manufacturing rules proposed by the EU.The UK car industry trade representative group also said it was “gravely concerned” about the proposals, which it said could damage the £70bn annual cross-channel trade...