Former Goldman Sachs banker Tim Leissner, who has been linked to the 1MDB scandal, has been barred from the US securities industry for failing to provide documents for a regulator’s investigations.

The Financial Industry Regulatory Authority (Finra) said the indefinite ban on Leissner was issued on Sept 11 as he did not respond to requests for documents and other information, reported the Wall Street Journal (WSJ).

The US industry body was probing Leissner’s departure from Goldman Sachs in early 2016, in particular into a reference letter he allegedly wrote during his time with the firm...