Updated as of 11:18 a.m.:
Foothill High School student Danielle Hammer has been missing since Saturday night and did not show up to school this morning, according to her family.
In a statement release by Pleasanton Police, Danielle was last seen around 6 p.m. that evening.
Her sister, Belinda Hammer, says Danielle did not return home Saturday night after hanging out with friends. According to Hammer, her sister was due home at 9 p.m. that night.
Hammer wrote, via email:
"She was last seen in a grey California hoodie, jeans and white vans. She has brown eyes and brown hair. She has braces and is 5'6. She was last seen with Mia Lewis another 15-year-old girl (we don't have much information on her just a cell phone number.)"
Danielle is a white female and weighs about 120 pounds.
Hammer says the family has reported Danielle's disappearance to the police.
Late last night Hammer's family had put out a plea on Danielle's Facebook page:
This is Danielle Hammers family. She has been missing since saturday afternoon. We have not heard or seen her so if anyone has information about where she could be please contact us at 925-998-9259 or the Pleasanton Police Department. Please get the word out we want her safe and home!
If you know where Danielle is, her family asks that you call Pleasanton Police at 925-931-5100.