![](https://cdn.cnn.com/cnnnext/dam/assets/210719185345-01-plano-house-explosion-super-tease.jpeg)
Three people were taken to the hospital, Daly said.
The house appears to have significant damage, Daly said. The severity of the damage to the other two homes wasn’t immediately clear.
Plano Fire-Rescue tweeted earlier that the cause of the explosion wasn’t clear.
Gas in the neighborhood is shut off, Daly said.