STILLWATER, Oklahoma - An investigation is underway after a fatal officer-involved shooting in Stillwater Wednesday evening.

According the department's Facebook page, at around 8:15 p.m. officers responded to a call for a welfare check on a man who was reported to be suicidal. 

The caller said the man was armed with a gun and knife, and was threatening to jump out into traffic.

Upon arrival, officers saw a man walking south on the east sidewalk of the 1300 block of north Boomer Road. As officers approached, the man produced a gun and a knife.

Police said in response, both officers fired their weapons.  They said the man died at the scene. 

The man's name was not released.

The Oklahoma State Bureau of Investigation has been called in to investigate the shooting.