Four-legged heroes: international dog squad helps save lives after Venezuela earthquakes

By Anabella Gonzalez, Alessandra Freitas, CNN Sniffing and burrowing his way through the rubble of Venezuela’s devastating earthquakes, Tsunami the mixed-breed border collie was out on one last job before retirement. Recognizable by his heterochromia – with one eye brown and the other blue – he has helped locate several people trapped beneath the debris