Apology Letter For Running Over a Pet
Dear {Recipient},
I'm very sorry for running over your beloved {dog/cat/etc.}{yesterday/the other day/etc.}. I didn't see {him/her} until it was too late. I would never intentionally hurt an animal and I feel terrible for what happened.
I hope that your {dog/cat/etc.} recovers quickly. I will gladly pay for {his/her} veterinary treatment; please send the bill to {email address/messenger username/etc.}.
Sincerely,
{Your Name}