fire crews were investigating a gas gassmell at that two-story structure in the bronx. the structure exploded. a chief was hit b >> it's a loss for the family, the fire department family, we are a family. we feel it deeply today. >> police sources are telling cbs news the home was being used as an illegal marijuana grow house. >>> that wildfire raging along a northern california highway this started yesterday among a statewide heat wave. the fire is threatening hundred was buildings south have -- south of san jose. >>> for the first time a baby has been born with dna from three parents. scientists call it a medical breakthrough. the baby's mother carries genes for a rare disorder. it killed two of her children. her newborn was conceived through special of the father, the egg of the mother, and another egfreg a donor. the goal is to switch out the faulty dna that could pass on the disease. >> it's a very devastating situation for the babies and for the family. >> the procedure not approved in the united states, so the baby's parents went to mexico. that baby is doing gre

fire crews were investigating a gas gassmell at that two-story structure in the bronx. the structure exploded. a chief was hit by debris and later died. >> it's a loss for the family, the fire department family, we are a family. we feel >> police sources are telling cbs news the home was being used as an illegal marijuana grow house. >>> that wildfire raging along a northern california highway has burned at least eight homes. this started yesterday among a statewide heat wave. the fire is san jose. >>> for the first time a baby has been born with dna from three parents. scientists call it a medical breakthrough. the baby's mother carries genes for a rare disorder. it killed two of her children. her newborn was conceived through a new technique. doctors use the special of the father, the egg of the mother, and another egfreg switch out the faulty dna that could pass on the disease. >> it's a very devastating situation for the babies and for the family. >> the procedure not approved in the united states, so the baby's parents went to mexico. that baby is doing great. >>>