Rat in New York subway
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New York's rat population out of control

First it was bedbugs, now it is rats.

There has been a population explosion of the rodents in New York.

They have been a common sight in the city's subways for decades but now a top politician says things are getting out of control.

The BBC's Laura Trevelyan has been finding out why.

  • 24 Apr 2011
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