By CBS13 Staff

MODESTO (CBS13) — Officers are investigating an assault that happened on a Modesto bridge Tuesday morning.

The incident happened around 7:30 a.m. on the South 9th Street Bridge.

Modesto police have released few details about the assault, including any information on the extent of the injuries.

Detectives are at the scene looking for witnesses. A heavy police presence will be in the area through the morning hours.