Police say a sixth person has died as a result of a massive explosion of illegal fireworks over New Year’s in Honolulu. A 30-year-old woman died at a local hospital at about 5:59 a.m. Wednesday, the Honolulu Police Department said in a statement.

Eight people are still being treated in burn units in Arizona and Honolulu, and the police investigation is ongoing.

A 29-year-old man injured Jan. 1 when a cache of illegal aerial fireworks detonated in Honolulu died at a hospital in Arizona Tuesday morning.

The death toll in the Aliamanu fireworks explosion incident has risen to six as of February 5, when a 30-year-old woman succumbed to her injuries in the hospital.