The British government media watchdog OFCOM is currently investigating Press TV, which is based in London, over complaints of "breaching accuracy and impartiality guidelines."
VOA: standard.2009.11.16
Trust is an overused term, but a guarantee of impartialityandaccuracy in news and reporting is what the corporation is for.
The Guardian adds that the House of Lords Committee suggested media regulator Ofcom, rather than the BBC, should have the final say over complaints about impartialityandaccuracy in the corporation's programmes.