Australian construction and engineering giant Leighton Holdings has scored a major win as the group’s Asian subsidiary has been awarded its biggest ever contract.

In a statement, the company says its Leighton Asia, India and Offshore Group (LAIO) has entered into a $2.8 billion final agreement with Las Vagas based Wynn Resorts to design and build a luxury integrated hotel resort in Macau, the special regional administrative hub of China which acts as the…