Within a year he unveiled new guidance on social media prosecutions - a largely untested area of law.

Until that point he had been largely untested, while his seemingly arrogant personality had rubbed many up the wrong way.

The commission said it was worth funding because 'it involves a largely untested but important area of law'.

These compositional differences lead to widely variable pharmacokinetics, the effects of which remain largely untested clinically.

The popular but largely untested theory describes in five distinct stages how people deal with grief and tragedy.