LONDON, March 18 (Reuters) - Britain proposed weakening the market grip of “Big Four” auditors on Thursday and making company directors responsible for spotting fraud after the collapses of retailer BHS and builder Carillion.

https://www.reuters.com/article/britain-accounts/britain-sets-sights-on-big-four-auditors-in-market-shake-up-idUSL8N2KF2RV