An Amber Alert was issued late this morning for two young sisters "believed to have been taken from their home by their mother, who may be suicidal," according to the Gate. Here are the details:

The girls, 7-year-old Rayna Ramussen and her 4-year-old sister, Lindsey, were taken about 7 a.m. today by their mother, Rachel Lynn Rasmussen, 38, from their home on Trembath Lane in Antioch, said Jimmy Lee, spokesman for the Contra Costa County sheriff's office ... Rasmussen is believed to be driving a 2001 bronze or champagne-colored GMC Yukon with a paper license plate of ALMSAUTO.COM.

If anyone knows anything about these ladies whereabouts, call 911 or the Contra Costa County sheriff's dispatch center at (925) 646-2441

Update: Amber Alert called off. No details about what happened yet. More to come.