Iowa family killed by gas leak in water heater at rented condo in Mexico: prosecutor

A prosecutor in Mexico says a gas leak in a water heater is suspected in the death of an Iowa couple and their two children last week.

The head prosecutor of the Caribbean coast state of Quintana Roo told local media Monday that the water heater “was leaking gas, maybe from use or lack of maintenance.”

READ MORE: Iowa family were killed by toxic gas at rented condo in Mexico

Miguel Angel Pech told the Radio Formula station that “a high level” of gas was found in the rented condo where the couple was staying.

WATCH: Iowa town residents react to death of family in Mexico

1:23 Iowa town residents react to death of family in Mexico

Autopsies indicate the family died from inhaling toxic gas in the resort of Tulum, but the source hadn’t been determined.

READ MORE: Missing Iowa family found dead in Mexico

Iowa officials identified the family as Kevin Sharp, 41; his wife, Amy Sharp, 38, and their children Sterling, 12, and Adrianna, 7. They were from Creston, Iowa.