wired? they were battery-operated, and they were ten-year lithium batteries in these smoke detecters. they weren t hard wired. reporter: any indication of where the fire started? too early. that s information we re gathering right now. reporter: can you talk about any of the difficulties of getting people out of this home? egress windows? why was it so difficult to get people out? it wasn t difficult to get people out. they got people out very quickly. the two they were transported to those local hospitals were immediately transported and taken to the hospital by our members. so once they when they got to them, they were able to remove them. reporter: there are unconfirmed reports online or on social media there s problems getting through dispatch that may have slowed the response.