Naga Munchetty is facing a formal investigation by the BBC, according to reports. The presenter has been accused of bullying behind the scenes on BBC B and will now be fully investigated. In recent months, the programme has been surrounded by allegations of being a toxic workplace, with a string of claims made against Naga, who also presents on BBC Radio 5 Live . The allegations surrounding the 50-year-old were previously "under review," but last week, this was escalated. Sources claim that