Dog stands guard for week in Washington state protecting second dog trapped in cistern

In this Tuesday, Sept. 15, 2015, photo provided by Amy Carey, of Vashon Island Pet Protectors, a setter mix named Tillie, left, watches over Phoebe, a basset hound who was trapped after falling into the cistern nearly a week earlier before being rescued by searchers on Vashon Island, Wash. A Washington state animal shelter says Tillie stood guard for a nearly a week to watch over Phoebe, only leaving her side to alert people of her trapped friend. The two were found unharmed Tuesday, Sept. 15, 2015, after they were reported missing by their owners last week. (Amy Carey/Vashon Island Pet Protectors via AP)

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