It happened around 8:30 last night near the Sandusky South East area ..just east of Colcord.
Officials with the Delaware County Sheriff's Office say 36 year old Antonio Lopez stabbed his ex girlfriend Mindy Baccanigera.
Officials say Lopez was last seen driving a green oldsmobile with an Arkansas license plate.
He could be on his way to Springdale, Arkansas or Twin Oaks, Oklahoma.
The woman was taken to Bentonville hospital and she's doing ok.
If you have any information on Lopez's whereabouts contact the Delaware County Sheriff's office.
Their number is 918-253-3232