UPDATED: Sierra LaMar's Family Ups Reward to $25,000

Updated, April 28, 8 p.m.: 

The family of missing Morgan Hill teen Sierra LaMar has increased the reward for her safe return from $10,000 to $25,000.

The reward, announced this morning, was first announced April 7, nearly a month after Sierra LaMar's disappearance. It is available to the first person who provides information that leads to LaMar, 15, being returned safe and sound, according to Mark Klaas, founder of the KlaasKids Foundation. The funds do not come from the foundation, which has been helping to organize volunteers searching for LaMar.

LaMar disappeared on her way to school on March 16, and has not been seen since. Investigators are treating her disappearance as an abduction.

The Santa Clara County Sheriff's Office and volunteers have searched extensively in the area around LaMar's home, from a base at Burnett Elementary School.

Klaas said that 175 volunteers in 25 search teams took part in the search Saturday.

 - Bay City News Service

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The family of a Morgan Hill teen who has been missing for more than a month plans to increase the reward being offered for her safe return.

Steve LaMar, the father of Sierra LaMar, plans to announce the increase Saturday morning, according to the KlaasKids Foundation, which is helping organize volunteers searching for the missing girl.

The reward, first offered April 7, is currently set at $10,000.

Sierra, 15, has been missing since March 16, when she disappeared on her way to school. Investigators have said they are treating her disappearance as an abduction. Her mother, Marlene LaMar, is a graduate of Milpitas High School. 

The Santa Clara County Sheriff's Office has conducted extensive searches in the area surrounding Sierra's home since her disappearance, including searches of reservoirs and other bodies of water. Hundreds of volunteers have also turned out for the search.

-Bay City News