Authorities are looking for a group of armed men who robbed an 8-liner arcade and its customers just northwest of Alton.
The armed robbery happened on Mile 6 just west of Trosper Road after 12 a.m. Friday.
Hidalgo County Sheriff's Office deputies are investigating the robbery.
Investigators said a group of four armed men stormed the arcade and robbed it.
The armed men then proceeded to rob the arcade's customers taking cash, wallets, purses and cell phones.
Hidalgo County Sheriff Lupe Trevio said investigators are asking victims and witnesses to come forward.
Sheriff Trevio said he's warned county residents that illegal gambling arcades are dangerous and magnets for violent crime.
Deputies reported that the machines inside the arcade appeared to have been previously seized in Cameron County.