UK Volkswagen boss denies cars emitted higher pollution than expected

Managing director Paul Willis tells a committee of MPs that there is no indication of higher nitrogen oxide levels despite the use of cheat devices

The head of Volkswagen in the UK has claimed the company's cars have not emitted any more toxic nitrogen oxides than expected, despite the use of cheat devices which drastically reduced pollution emissions in official tests.

NOx emissions are responsible for 23,500 premature deaths in the UK, according to government data.