Dame Chi Onwurah, the Labour chair of the science, innovation and technology committee, said the breach was ‘another blow to public confidence’

The government said medical data of 500,000 people was affected but no personally identifiable information had been made available.

Technology minister tells Commons ‘de-identified’ information from UK Biobank advertised for sale on Alibaba

Dame Chi Onwurah, the Labour chair of the science, innovation and technology committee, said the breach was ‘another blow to public confidence’