By Elizabeth Daley PITTSBURGH (Reuters) - Pennsylvania authorities were searching on Tuesday for a woman who, apparently nude, stabbed and slashed other women in a street fight at a public housing complex outside of Pittsburgh. The brawl on Monday was captured on cell phones and security cameras, showing the woman wielding a knife and wounding three people, two seriously, according to Allegheny County, Pennsylvania Housing Authority Police Chief Mike Vogel. The woman, identified as Keysh Collins, 41, of Pittsburgh, appeared to be nude, but Vogel said it was unclear whether she joined the melee clothed or naked.

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