good morning. i'm ryan smith. >> i'm reena ninan. here are some of the top headlines we're following this morning on "world news now." investigators are trying to figure out if fireworks caused a deadly apartment fire north of boston. three children were among seven people killed early yesterday. the flames so intense, some tenants had to jump. more details ahead. the man accused of killing six members of his ex-wife's family in suburban houston is due in court today. ron haskell has a visit of domestic violence. police say he would have killed more relatives if the 15-year-old survivor hadn't warned them. half a dozen wildfires in washington. this one burned 30 square miles in just two days. dozens of homes are threatened and evacuations have been ordered. the first man to buy legalized marijuana in spokane,