WASHINGTON (AP) — Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames warming temperatures, urbanization and other human actions.

Bolton Council said rat droppings were found throughout the premises and vermin had gnawed holes in walls and ceilings as well as food stores. Bags of dried foods were found to be contaminated ...

WASHINGTON (AP) — Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames warming temperatures, urbanization and other human actions.

Based on individual trends within cities, Washington was by far the leader in rat increases, followed by San Francisco, Toronto, New York City and Amsterdam. NBC Universal, Inc. Rat infestation in ...