A bus traveling south of Ecuador`s capital lost control Sunday, killing 42 people and injuring 11 others, officials said, according to CNN.

The bus crashed around 3:30 a.m., the Ecuadoran Red Cross said.

Rescuers responded to the crash site, located about 55 miles south of Quito.

The injured passengers range in age from a 3-month-old baby to a 71-year-old and are being treated at local hospitals, the Red Cross said.

Investigators are trying to determine what caused the crash.