SAN ANTONIO – San Antonio police detained 15 people in an illegal gambling bust on the city’s Southwest Side after someone reported seeing immigrants in the back of an 18-wheeler and called authorities. The bust happened at a location in the 15000 block of SW Loop 410 on Friday night. They said they detained 15 people who were playing with the gambling machines. They said no one among the group was sick, but only about one or two people were wearing masks. The Vice Unit will further investigate this case and interview the people detained, officers said.