A host of Canadian media companies filed a lawsuit against OpenAI today, alleging “inappropriate and illegal” use of their journalism to power the company’s GPT model, Reuters reports. It’s the latest salvo fired by the media in its fight against AI companies that have scraped large swaths of the open web to train their large-language models.

Some of Canada’s best-known media companies join organizations like The New York Times in claiming that OpenAI was unfairly enriched as a result of using their content without permission.

Last week, five of Canada’s most prominent news media outlets launched a lawsuit against OpenAI for copyright infringement, demanding what could amount to billions in damages. The suit follows similar cases brought earlier this year against the creator of ChatGPT by The New York Times and other media companies in the United States.