HONOLULU -- Honolulu police say a 58-year-old man was arrested after beating his roommate with an ukulele.

Police say the men were arguing in their apartment Tuesday when the man hit his 56-year-old roommate with the small, guitar-like instrument.

The Honolulu Star-Advertiser reports the ukulele beating caused substantial injuries.

The older roommate was arrested on suspicion of second-degree assault.

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