In San Marcos, a 20-year-old woman is in the hospital after she was shot in the leg allegedly by a 21-year-old man during an argument.
It happened the 600 block of Helmsdale around 3:30 a.m.
The woman is expected to be okay.
The suspect left the scene, but came back and was arrested.
San Diego County Sheriff's Deputies are still investigating the scene.
No other information was immediately available.