Pope Francis sharply criticized U.S. President Donald Trump's immigration crackdown in an unusual open letter to America's Catholic bishops on Tuesday, saying criminalising migrants and taking measures built on force "will end badly".

Border czar Tom Homan, who oversees President Trump’s mass-deportation program, shot back at Pope Francis after he chastised the administration’s approach to immigration enforcement. “I’ve got

In the letter, the pope said the criminalization of migrants and the mass deportations planned by the U.S. government are dangerous and called the country's current immigration policies a “major crisis.