Embattled construction giant Leighton Holdings has delivered some positive news in a week of turmoil after one of its subsidiaries bagged a contract to build a rail loop for a controversial coal mine project in New South Wales.

Embattled construction giant Leighton Holdings has delivered some positive news in a week of turmoil after one of its subsidiaries bagged a contract to build a rail loop for a controversial coal mine project in New South Wales. Whitehaven Coal yesterday announced it had engaged Leighton Contractors Pty Ltd to…