They were sitting in the Burger King drive-thru lane waiting on some grub, when a 250-pound stranger came up to their car.

“He asked if he could get in the car,” said Mike Wise, who was riding in the front passenger’s seat. “Naturally, we were kind of sketched out.”

Wise said the man talked to the four Kansas University students who were inside the car through a back window that happened to be rolled down.

Then, the shady character pulled out a gun and demanded cash from them. The robbery happened at 2:15 a.m. Sunday at 1107 W. Sixth St.

“It was extremely scary,” said Wise, 20.

Police haven’t been able to track down the suspect, described as a 5-foot-10 black man with a large build and wearing a hoodie, red and blue striped shirt, a Pittsburgh Pirates baseball cap and a prominent gold chain.

Wise said he, two of his 19-year-old Sigma Chi fraternity brothers and a 20-year-old female student gave the suspect all of the money they had. A Lawrence police report said the amount wasn’t determined.

The robber then returned to the passenger’s side of the older model red car that was in line behind them and the car sped off.

Wise said the robbery put him and his friends “in a state of shock.”

Police said the victims followed the suspect’s car for a short time and from a distance. Then, Wise said, the victims went back to the fraternity house and gave their report to police.

Burger King representatives would not respond to the Lawrence Journal-World’s questions about the robbery.

The crime was recorded by the restaurant’s external cameras. Police are reviewing the footage for additional information and said images haven’t been made available to the public because of the ongoing investigation.

Anybody with information is asked to call Lawrence police dispatchers at (785) 841-7210 or Crime Stoppers at (785) 843-TIPS.