More than half were in relation to customer-approved online bank transfers, also known as authorised push payment scams.

Scam-related complaints have reached their highest level since at least early 2018, according to a service that resolves disputes between consumers and financial firms.

In the first quarter of this financial year (April 1 to June 30), consumers lodged 8,734 gripes about fraud and scams, the Financial Ombudsman Service (FOS) said.