
Oliver Dowden has warned that basic democratic values can no longer be taken for granted after the upstart channel saw the withdrawal of advertising from companies such as Ikea, cider firm Kopparberg and Octopus Energy.
The network, which launched last Sunday, has promised to take on so-called cancel culture.
Writing in the Sunday Telegraph, Mr Dowden said: When he launched the channel, veteran broadcaster Andrew Neil vowed that GB News would not be an echo chamber for the metropolitan mindset, and that it would empower those who feel their concerns have been unheard.
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Rightly so. A free media is one that has a diverse range of opinions and voices.
He added: Sadly we can no longer take them for granted.
Across the West, our values of tolerance and freedom of expression increasingly risk being undermined by a small but vocal minority.
GB News has faced accusations it will be broadcasting US-style partisan news shows in the UK, and campaign group Stop Funding Hate challenged advertisers on social media.
Swedish furniture giant Ikea said it had not knowingly advertised on GB News.
It added: We are in the process of investigating how this may have occurred to ensure it wont happen again in future, and have suspended paid display advertising in the meantime.
In its statement, Kopparberg also said it was unaware its adverts were running on the channel and said they had been suspended pending further review of its content.
Octopus said it would only advertise with GB News if it proved to be genuinely balanced.
The Open University also paused its advertising.
Mr Dowden said the channel seeks to empower those who feel their concerns have been unheard.

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