FILE PHOTO: A Barclays logo is pictured outside the Barclays towers in Johannesburg

FILE PHOTO: A Barclays logo is pictured outside the Barclays towers in Johannesburg

FILE PHOTO: A Barclays logo is pictured outside the Barclays towers in Johannesburg, South Africa, December 16, 2015. REUTERS/Siphiwe Sibeko/File Photo