HSBC, TalkTalk and others say they have stopped working with PR firm after secret campaign to stir up racial tensions
Bell Pottinger is facing a fight for survival as a string of clients and senior staff quit in the wake of the scandal over its secret campaign to stir up racial tensions in South Africa .
Clydesdale Bank, construction company Carillion, HSBC and TalkTalk revealed on Tuesday that they had stopped working with Bell Pottinger. Their departure brings the number of clients to have left the agency in the wake of the scandal at seven to date. Several others are considering their position.