Fortescue is facing renewed scrutiny over workplace conduct as an external investigation into allegations involving a senior executive runs alongside separate legal action brought by former employees. The mining company has confirmed that law firm MinterEllison is examining the allegations, while the executive remains employed as the inquiry continues.

The Andrew Forrest-led mining giant has made an about-face after previously defending its decision to allow the executive to work during the investigation.

Mining giant Fortescue has moved to suspend a senior executive from working for the company while allegations of sexual harassment and bullying are being investigated by law firm…