From Publishers Weekly:
Penguin Random House’s Berkley Publishing Group has confirmed that a number of employees were laid off. The downsizing at the mass market division, which comes on the heels of a number of cuts, is likely a reaction to the steady decline in the sales of mass market paperbacks.
. . . .
However, sources said the layoffs included at least four editors, in addition to an a number of support staff.
This round of layoffs is just the latest to hit the division.
Link to the rest at Publishers Weekly and thanks to Bruce for the tip.