Four years after the UK quit the EU, the first border controls on imports from the continent have been introduced, with more to follow.

Authorities such as the Food Standards Agency (FSA) are struggling with a skills gap after the United Kingdom left the European Union, according to a report.

Food safety is at risk because of skilled worker shortages and loss of access to vital data bases, a report says and experts’ ability to assess threats to public is being impeded by constraints.