Critics of the proposal say it would expose children to inappropriate content and alcohol advertising

• Get our breaking news email, free app or daily news podcast

Commercial broadcasters want to allow M-rated content for an additional two hours a day and to remove protections for children during school holidays and weekends, a push which comes as they lobby the government not to ban gambling ads.

The broadcasting regulator has warned the Free TV lobby group their proposal to allow more time for M-rated or mature content would expose children under 15 to alcohol advertising.

Sign up for Guardian Australia’s breaking news email