STOCKTON — The San Joaquin County Sheriff’s Office announced Thursday that one of its canines has died.Sheriff’s K-9 Haakon died a day after he collapsed during training Wednesday afternoon, according to the Sheriff’s Office, which at the time said it was hoping that the incident was just a result from the heat.Haakon had been released from a veterinary clinic on Wednesday evening and was able to walk on his own, but the Sheriff’s Office said [...]