They already made the "curiosity killed the cat" joke, so I don't have to. Thanks to Tori Anus for sending this in.
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About 4.6 million gallons of raw sewage spilled into Honolulu Harbor, Nuuanu Stream and Kapalama Canal last night after a stray cat caused a short-circuit at a Kalihi pumping station, city officials said this morning.

The cat sneaked in through a small hole in the pumping station on Hart Street, one block mauka of Nimitz Highway, about 8 p.m. and caused a short-circuit that shut down the station’s electrical system, the city said.

The cat did not survive, according to the city’s information office.