Two men robbed the monastery church of the Immaculate Mary in Vienna Thursday, according to Austrian police, injuring five religious in doing so.

The perpetrators entered the complex early in the afternoon of Dec. 27, attacking the brothers. According to Die Presse, an emergency call to the police was made only after several hours.

The religious brothers were freed around 4:15, and the armed perpetrators are on the run. One of the religious was gravely injured.