SAN ANTONIO -- Police said they raided a Northeast Side gambling operation on Monday afternoon.

Undercover officers posed as gambling customers to uncover the operation at the intersection of Nacogdoches and Thousand Oaks roads, officers said.

Officers said they found 35 gambling stations and confiscated TV monitors and computer hard drives.

Officer said they also confiscated prepaid internet gambling cards that are linked to an online gambling spree.

Officer said the card records the customer's winnings so they can collect it at a later date.

Police said they were questioning three people but no charges have been filed.