The administration of U.S. President Donald Trump has laid off about 1,200 to 2,000 workers at the Department of Energy, including employees at a power grid office, the nuclear security administration and the loans office,

The Energy Department is seeking to bring back nuclear energy specialists after abruptly telling hundreds of workers that their jobs were eliminated, according to two people familiar with the matter.

The Department of Energy said nearly 50 probationary and clerical employees at the National Nuclear Security Administration were dismissed from their positions.

U.S. President Donald Trump and his adviser Elon Musk purged less than 50 workers from the agency that maintains the country's nuclear weapons arsenal, the Department of Energy said on Sunday, after far wider layoffs there were suddenly rescinded,