He developed seizures. When I read that my eyes started to water. I had to put down one of mine because of numerous events. Sometimes 7 a day. It is the most heart wrenching I ever experienced. I feel for his handlers who sat there trying to help. RIP Jonathan. Enjoy crossing the rainbow bridge. If you run into 4 Westies named Buster, Bentley, Bella and Bessie, tell them I miss them. Thanks.