Rio Grande City police are mourning the loss of one of their two K-9s.
Police say Grant, a yellow Labrador, died after he was run over by an 18-wheeler around noon today.
Apparently the K-9 saw a female chocolate Labrador crossing the street and chased after her.
Both died on Expressway 83 in front of the Lone Star National Bank.
Police plan to bury Grant tomorrow morning at the departments substation following a ceremony conducted by the Rio Grande City Police Explorers.
Department officials say its too soon to say whether or not they will replace the fallen dog.