Pope Francis leads the Chrismal mass in Saint Peter's basilica at the Vatican on March 28, 2013. Alessandro Bianchi, Reuters/File
Protesters stormed the building Wednesday after Trump urged them to go to the Capitol and print his baseless claims that he won re-election in November. Five people, including a police officer, died in the resulting chaos.
"I was surprised because these are such disciplined people in a democracy," the pontiff told the Italian news channel Canale 5 in his first public comments on the events.
"There is always something that does not work... (with) people going against society, and against democracy, and against the common good," said the Pope.
"Thank God this has come to light and is well seen, because this is how things can be fixed," said Francis, adding, "Yes, this movement must be condemned, this movement, regardless of who is involved in it.
He said that violence can erupt anywhere, and it is important to understand what went wrong and learn from history.
"Groups that are not well integrated into society will sooner or later commit this kind of violence," he said.