Elephant Viola briefly escapes Butte Civic Center
Circus trainers swiftly retrieve wandering Viola
Backfiring car spooks Viola, causing brief escape
Viola's downtown stroll surprises Butte drivers
Social media abuzz over Butte elephant adventure
Viola safely returned after brief jaunt
Montana accustomed to animal encounters.
Viola's escapade ends quickly, circus continues
Animal rights groups criticize circus treatment
Read more