ST. LOUIS (AP) — A 37-year-old man has died after a St. Louis sheriff’s deputy used a stun gun on him while serving a restraining order.

The sheriff’s office announced the death Wednesday.

Deputies arrived at a home about 5:30 p.m. Tuesday to serve a temporary restraining order that required the man to leave the residence. Officials said the man tried to assault the two deputies, prompting a struggle. One of the deputies used his stun gun. The man was taken to a hospital where he was pronounced dead. An official cause of death has not been determined. An investigation is ongoing.