A 2-year-old, 12-year-old and their mom dead in a Miami Lakes condo fire.

Neighbors at the homes of Country Lane -on 170st and Northwest 67th Avenue-say the victims were taken out of the 3rd floor unit unconscious.

Investigators are trying to figure out what sparked the blaze.

The father was at work when it happened.

Kevork Djansezian / 2011 Getty Images