A new study from MMPC Pest Control finds there are an estimated three million rats in the five boros - a 50 percent increase from a decade ago. 

But - the Daily News reports the city's feral cat population has also increased substansially over the last 3 years. 

Timothy Wong is the Technical Director at MMPC Pest Control

He spoke with Newsline and Suzanne Collucci about the study, and what New Yorkers can do to prevent rats from taking over their space: