The Daily Record and Sunday Mail could be off the newsagent shelves in the coming weeks as staff step up strike action.
The threat of a series of walkouts comes after 24 staff were told on Wednesday they are losing their jobs with immediate effect.
They were given the news during a meeting with managers. Owners Trinity Mirror want to eventually shed 70 posts as it merges production of the two papers.
Paul Holleran (pictured), the Scottish Organiser of the National Union of Journalists, said: "People are absolutely raging. I have never seen anything like it.
"All the journalists there have unanimously put forward a motion of no confidence in the local directors and they have expressed their disgust at what happened today. People were just taken in and handed letters.
"In this day and age, technology can ensure that papers go out but the public in Scotland are quite discerning and will see papers produced by scabs, predominantly in England, as not what they are looking for.
"It isn't just industrial action. We will be pursuing this with full legal action. It is totally unacceptable in this day and age."
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