(Reuters) - Laura Ashley Holdings said on Monday it will permanently shut 70 stores and cut hundreds of jobs as the struggling fashion retailer appointed administrators following a damaging blow to its business from the coronavirus pandemic.The pandemic has compounded challenges faced by British retailers. Laura Ashley, a favourite of late Princess Diana in its 1980s heyday, has seen sales fall, store closures and weakness at its home furnishings business.The company said the store closures..