The Harlingen Police Department (HPD) has confirmed a stabbing off of F Street and Filmore in Harlingen.
At least one person has been stabbed after a fight broke out.
Police say one person is in custody.
Eyewitnesses say at least five police cars and three ambulances were present at the scene.
The extent of the injuries sustained are currently unknown.
HPD and EMS are currently at the scene.
Action 4 News will continue to update as the story develops.