Love this! And this is a very real possible situation that could easily happen. The story:

According to the local Russian news channel m24.ru, Ivan had stopped his car near the pond to help a motorist who had broken down. But as he was talking to the driver, he heard the dog barking for help.

The pup apparently didn’t have an owner and Ivan later adopted him, naming him Rex.

The duo now appear to be inseparable. Indeed, as they were interviewed safe and dry at home Rex affectionately wandered around Ivan. (source)

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[youtube=https://www.youtube.com/watch?v=ybKmDHiJYX8]This man broke apart an entire lake with his bare hands to save a dog, a true hero