New Delhi, Dec. 20 -- A US woman named Karina has gone viral on Instagram after posting a dramatic yet funny video about her dog. Her passport was torn into pieces just hours before an overseas flight.

The viral video shows her holding the damaged passport while trying to process what happened. Her tone shifts between disbelief and tired humour.

"I have a flight today. Bags are packed. And this is what my dog decided to do. Last time when I got in the room, I'm like, Oh! What have you done, Kanella? And, she was just wagging herself," Karina says in the viral video.

She recalls how students once told her that their dogs ate their homework. She never believed them. Now, she admits they might have been honest.

"As a teacher, I've had st...