Ontario fireworks explosion causes multiple structure fires, livestock in danger

Authorities launched an investigation after a "large amount" of fireworks created an explosion in an Ontario neighborhood on Tuesday afternoon. An evacuation order was issued for residents on W. Francis Street and W. Maple Ave between Fern and San Antonio Avenues, the Ontario Fire Dept. reported. A temporary care and reception center is being established at the De Anza Community Center, located at 1405 S. Fern. Ave. The explosion was first reported by the city of Ontario on Twitter at 12:45 p.m. City officials said they were aware of reports of an explosion and it was being investigated by the city's police and fire departments.