Aviva Investors has hit out at HSBC and Standard Chartered's decision to back China’s new security law for Hong Kong, in one of the first signs of disquiet from a big London shareholder on the issue.

In a 9 June statement, equities chief investment officer David Cumming said: “We are uneasy at the decisions of HSBC and Standard Chartered to publicly support the proposed new national security law in Hong Kong without knowing the details of the law or how it will operate in practice.”