Some in the square tried to stop the protestors and were shocked by their presence.
The parish priest fears that the relics could be used for occult or even satanic practices.
Classical European culture is under attack. Here is why we should stand in its defence.
The hate crimes and violent extremism unit has been notified of the vandalism, police said.
The sculpture was blessed by Archbishop of Kraków Marek Jędraszewski.
The bust is located at the entrance of the church, which is the oldest and largest Polish Catholic parish in the city.
Acts of vandalism targeting the Polish saint have been multiplying in the last year in his home country.
So far, nothing is known about the perpetrators of these acts of vandalism but an investigation is ongoing.
The victim was taken to hospital. He made a complaint to the police.