“Don’t read Post content today!”: The Washington Post workers’ union today called on readers of the prestigious US newspaper to boycott its production in solidarity with striking staff.

The Washington Post Guild union announced Tuesday that hundreds of workers will strike for a day, decrying management’s unwillingness to “negotiate in good faith” and raising fears of more layoffs.

The strike comes after 18 months of negotiations on a new deal, which would mainly deal with wage claims or the issue of telecommuting.

“Going forward with this historic measure is not a decision we have taken lightly,” the Washington Post Guild affirmed in a letter sent Tuesday to readers announcing the strike.

According to the union, management at the newspaper, owned by billionaire Jeff Bezos, “repeatedly and illegally broke off negotiations on important issues, including wages, employee mental health support and voluntary severance.”

The Washington Post Guild represents about 1,000 newspaper workers, either in editorial or commercial roles, according to its website.

In October, just months after suspending publication of the Sunday magazine, WaPo announced layoffs with plans to lay off 240 of its 2,500 employees.

Traditional American media have been struggling for years amid a sharp decline in readership in favor of social media platforms.