Steve Browne wishes Greg Simmons a happy birthday.
WATCH: Steve Browne wishes Greg Simmons a happy birthday
Copyright 2016 by KSAT - All rights reserved.
Steve Browne wishes Greg Simmons a happy birthday.
Copyright 2016 by KSAT - All rights reserved.
The bus was carrying Tom Green Elementary School pre-K students and 11 adults returning from a field trip to the zoo.