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

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

Mayor Ron Nirenberg said San Antonio did not request, nor receive notice of, the Texas National Guard being here ahead of protests planned on Saturday against the Trump administration. Why it matters: Gov.