The roof of a church collapsed in northern Mexico during Sunday Mass, killing at least 10 people and injuring around 60, authorities said as searchers probed in the wreckage throughout the night and into Monday morning looking for survivors and more victims, according to AP.

Approximately 30 parishioners were believed to have been trapped in the rubble when the roof caved in, officials said. Searchers crawled under the roof slabs and officials brought in dogs to help search for possible survivors.

The Tamaulipas state police said about 100 people were in the church at the time of the collapse.

The state security spokesman’s office said early Monday that 10 people had been confirmed dead from the collapse, which it described as likely being caused by a structural failure” The office said 23 of the 60 injured remain hospitalized, with two in serious condition.

Tamaulipas state police said units of the National Guard, the state police and state civil defense office and the Red Cross were involved in the operation.

The Mexican Council of Bishops issued a statement saying that “we join in prayer at the tragic loss of life and those injured.”