The owner of high-end fashion brands Hobbs, Whistles and Phase Eight says it is investigating a cyber-security incident.
According to TFG London - the UK arm of retail conglomerate The Foschini Group - it identified an incident on Sunday affecting some IT systems and "specifically impacting our Phase Eight, Hobbs, and Whistles brands".
"We are actively investigating and working with external cyber security specialists," the company told BBC News in a statement.
Meanwhile, H&M is investigating a separate claim that it was attacked by a notorious hacking group.
TFG said its brands' stores are operating as normal but some website capabilities may be unavailable, adding "we apologise for any disruption and will provide additional updates to our customers as appropriate".