LAKE VILLA, Ill. (AP) — Police in northern Illinois say two teens were victims of armed robbery while playing the popular cellphone app game “Pokemon Go.”

Lake County Sheriff’s officials say the robbery happened at about 10 p.m. Thursday in Lake Villa. Police say the teens were walking when a car approached and two men got out. One of the men pulled out a gun and took one the teen’s cellphones. The other man took the other teen’s cellphone.

Police say the suspects fled in their vehicle. Neither teen was hurt. Sheriff’s officials say they’re investigating.

Lake Villa is about 50 miles northwest of downtown Chicago.