OKLAHOMA CITY - Authorities are searching for a man who robbed the Midfirst Bank at S Western and I-240 on Tuesday. 

They say the suspect is about 5 feet 9 inches tall and 170 pounds. He was seen wearing a dark shirt and pants at the bank. 

They say the suspect pulled a gun and demanded money then left with an undisclosed amount of money on foot. 

Even though the suspect left on foot, the FBI is also looking for a vehicle but they are unsure if it's even involved. 

"Mid 1980's Oldsmobile Cutlass/Buick Regal body style with tinted windows. The front bumper/hood/drivers fender is dark blue or black dull paint. The trunk is possibly a rusty brown color. A possible vehicle license plate of Oklahoma 099OST." 

If anybody has any information, please call 405-290-7770.