They appear connected, a suspect "in his 30s" is in custody. Anybody heard anything else about the suspect? I'm having trouble finding out anything. One thing is reasonably sure, an "assault weapon" was not likely used, or we'd have heard already.
https://abcnews.go.com/US/suspect-arrested-after-shootings-austin-san-antonio-leave/story?id=105412955
https://abcnews.go.com/US/suspect-arrested-after-shootings-austin-san-antonio-leave/story?id=105412955
Being in TexAgs jail changes a man……..no, not really

