release (someone or something) from (something)
To set someone or something loose from some kind of confinement. He released the woman from his grip and told her to run. The police were forced to release the suspect from prison due to a lack of hard evidence.
release someone or something from something
to liberate or let someone or something go from something. The police officer released George from the handcuffs. I released all the dogs from the city dog pound.