SINGAPORE- * Japanese refiner Fuji Oil bought three Middle East crude cargoes loading in April at discounts, three trade sources said on Wednesday

* The company bought one Upper Zakum cargo at 15-19 cents below its OSP and two Qatar Land cargoes at discounts of 20-23 cents a barrel to its OSP, they said

* Spot discounts for both grades have widened amid weak Asia demand as refineries typically shut for maintenance during the second quarter

(Reporting by Florence Tan Editing by Christian Schmollinger) ((Florence.Tan@thomsonreuters.com; +65 6870 3497; Reuters Messaging: florence.tan.thomsonreuters.com@reuters.net))