Citigroup is set to spend an eyewatering £1billion on upgrading its Canary Wharf tower to include 'mini-villages' and multi-level gardens as it tries to tempt WFH staff back to the office.

(Bloomberg) Citigroup Inc.'s office staff at the Canary Wharf complex are working from home, as a major power outage in East London continues until Wednesday, taking computer networks out of ...