PUEBLO, Colo. (KRQE) – Police are investigating what caused a deadly bus crash near Pueblo, Colorado on I-25 Sunday. Officials say two people have died and 13 others are injured.

Colorado State Patrol says 10 children and five adults were on board when the bus went off the road. According to the Archdiocese of Santa Fe, 53-year-old Jason Paul Marshall is one of the victims. He was a seminarian of the Archdiocese of Santa Fe. The second victim was identified as Anthony Padilla according to the LoboCatholic: UNM Aquinas Newman Center’s Facebook page.

Officials say the bus was carrying a church group from New Mexico. They say the group was returning to New Mexico from a conference in Denver. The bus that crashed is with Follow the Sun Inc. based in Albuquerque.

Colorado State Patrol tweeted Sunday the crash occurred on southbound I-25 near mile marker 109. They say the bus hit an embankment under a bridge about 45 miles from Colorado Springs.

Twelve people were taken to the hospital according to officials, one person was flown to Colorado Springs.

The University of New Mexico Aquinas Newman Center posted to their Facebook page Sunday night saying a bus was carrying high school students from their church. The post said they were attending the Steubenville of the Rockies conference.

A mass of healing will take place Wednesday at 6 p.m. at the Aquinas Newman Center.