"They are not investing their own money, it is our money they are investing," Ramzan Kadyrov claimed.
"Look at their debt. They are running a clever scheme. It is a pyramid and it is bound to fall apart. We will see that soon enough."
"How many [US] cities have already become ghost towns? They are impossible to maintain, there is no life there, entire cities lie abandoned," Kadyrov continued.
The Michigan city of Detroit became the largest city in US history to be declared bankrupt in 2013. It has recently come out of bankruptcy, but was warned it should not expect new money coming from the federal government.