A 19-year-old student allegedly sexually assaulted his teacher in the underground parking garage Monday night, according to .
student David Velasquez approached the 29-year-old woman with a knife, grabbed her and forced her towards her vehicle.
The victim began to struggle with the suspect and he forced her to the ground.
A witness entered the garage and yelled at the suspect after he witnessed the attack. The suspect then fled on foot.
The victim suffered minor injuries.
The suspect was booked into the San Mateo County Jail for kidnapping, assault with intent to rape, false imprisonment, and terrorist threats.
Anyone with information regarding the assault is encouraged to contact the Redwood City Police Department. Witnesses who wish to remain anonymous can call the anonymous tip line at 650-780-7110.