Cities across the northeast are seeing a spike in complaints about rats. With high-tech traps and carbon monoxide gas, the Boston area is taking on its growing problem.

Homemade spike strips at the bottom of the driveway. A rat trap rigged to fire a shotgun shell when someone tried to open the door to a detached garage. A hot tub on its side set to roll toward ...

Rat populations spiking in cities due to warming temperatures, study finds 05:06. Urban dwellers in Washington D.C., San Francisco, Toronto, New York City, and Amsterdam might have seen rats ...