A natural gas explosion in Denver's historic Baker neighborhood leveled an apartment building on Tuesday, leaving at least nine injured, one critically.
Fire officials said this was the biggest home explosion Denver has seen in 10 years, 9 News reports. The building was a fourplex, Denver Fire Captain Greg Pixley said, and two people were trapped in rubble and had to be rescued by first responders. No one else is believed to be trapped in the debris, but fire officials will go in and search once it's considered safe. An investigation into what triggered the blast is underway. Catherine Garcia