Shearman & Sterling and Norton Rose have taken the top roles for ArcelorMittal on its $1.1bn (£685m) sale of a stake in its Canadian iron ore operations to a pan-Asian consortium.

The deal has seen ArcelorMittal subsidiary ArcerlorMittal Mines Canada (ACCM) form a joint venture with a group led by Korean steel company POSCO and Taiwanese China Steel Corporation (CSC), entitling them to a 15% interest in the Canadian business.