(WSB Radio) -- Dunwoody police have one suspect in custody and are searching for another after an armed robbery Tuesday night at the McDonald's on Cotillion Drive near I-285. 

It appears, but has not been confirmed, that the suspects in the McDonald's robbery were responsible for a similar holdup Monday night at the Burger King on Chamblee-Dunwoody Road.  The two fast food outlets are less than three miles apart.  Dunwoody Police Detective Kelly Gobely tells WSB's Mark Alewine "we have to compare the surveillance video from the Burger King with the male we have in custody and to the video at McDonald's."

Both suspects were caught in the act when two Dunwoody officers responded to a 9-1-1 call about a robbery at the restaurant around 10:30 p.m. Tuesday.  When they spotted the officers, the masked men exited through the back door, jumped a fence and ran across all lanes of I-285.  A K-9 unit caught one of the suspects, but the other got away.  He's described as a black male, 5-8 to 5-11, 175 to 200 pounds.  He was last seen wearing a dark colored Dickies jump suit and was armed with a silver or grey revolver.

None of the McDonald's employees were hurt in Tuesday night's robbery.