By Reuters Staff 3 Min Read LONDON (Reuters) -British engineering company Rolls-Royce said it was in constructive talks with Spain over the sale of its Spanish unit ITP Aero, after a media report said Madrid could block the deal. FILE PHOTO: A Rolls-Royce logo is seen at the company's aerospace engineering and development site in Bristol, Britain, December 17, 2015. REUTERS/Toby Melville Rolls-Royce is hoping to secure up to 1.5 billion euros ($1.8 billion) from the sale of turbine blade-maker ITP Aero, which it has put on the block as part of a 2-billion-pound ($2.8 billion) asset sale to help repair its balance sheet after the pandemic.