The Special Chamber of the International Tribunal for the Law of the Sea has unanimously prescribed provisional measures under article 290(1) of UNCLOS in the case, Dispute Concerning Delimitation of the Maritime Boundary between Ghana and Côte d’Ivoire in the Atlantic Ocean (Ghana/Côte d’Ivoire).
The Order of the 25 April can be found here, along with the Separate Opinion of Judge ad hoc Mensah here. For a summary, refer to the Press Release here.