I will give an example I know about; the UK Labour Party. In the debate regarding Brexit, Jeremy Corbyn was given almost no air time to talk about his ideas, and often they would skip him altogether to talk instead to party back-benchers. When the leadership coup happened, the BBC 'journalist' Laura Kuenssberg actually orchestrated live resignations on air in an attempt to undermine JC. There was a recent investigation into BBC news bias and it was found that they consistently supported neoliberal politicians, ignored Conservative policies that detriment people and overwhelmingly supported the Brexit remain camp.