HSBC is expected to cut an additional 20 investment banking jobs in Asia on a deals slump, takes the total cuts to around 30 this week, three sources with knowledge of the matter said.

The Asia-focused lender started the layoffs on Tuesday in the region, when it notified around a dozen bankers.

HSBC did not respond to Reuters query immediately. (Reporting by Selena Li, Julie Zhu and Kane Wu in Hong Kong, Scott Murdoch in Sydney; Editing by Himani Sarkar)