Bishop Seno Ngutra of the Diocese of Amboina, in Indonesia’s Maluku Province, has officially promulgated the opening phase of the beatification process for Mgr. Arnoldus Johannes Hubertus Aerts, MSC, together with the Missionaries of the Sacred Heart (MSC) who were martyred in Langgur on Kei Kecil Island. The announcement was made during the celebration of the Eucharist at the Kei Martyrs Pilgrimage Park on December 30, 2025.