Dave Lewis will assume direct responsibility of the UK unit

Commercial director understood to have been asked to step aside while chairman may resign

Oversight led to a £4bn drop in retailer’s market value and suspension of four executives

The supermarket’s new chief executive may take the same route as Manchester United’s Louis van Gaal

Four senior executives suspended over accounting errors as shares fall 12 per cent

Troubled supermarket chain said it would cut its capital spending by an additional £400 million

It’s time to look at how much bosses get and whether they are worth it

Performance should be judged on day-to-day operations and legacy, investors told