 Selfridges has rowed in behind Marks and Spencer Group PLC LSE:MKS plans to demolish and redevelop its flagship Oxford Street store. Signa Holding and Central Group, which bought Selfridges from the Weston family for 4bn this year, said it supports and endorses the redevelopment of its neighbour in a letter to the Planning Inspectorate overseeing an inquiry into the proposals. 