The governor's spokesman says soldiers are "on standby." Protests against immigrant arrests are planned for Wednesday and Saturday in downtown San Antonio.

The stage was set for a photo-worthy showdown at the Alamo. Instead, protesters marched to mariachi and conjunto music and lots of honking.

Members of the Texas National Guard have been deployed to San Antonio in anticipation of protests this week in the city as U.S. Immigration and Customs Enforcement Officers continue to conduct raids.