A 3-year-old victim in the massive Aliamanu fireworks explosion has died, Honolulu police announced. The baby boy succumbed to his injuries at approximately 1:30 a.m. at the hospital. He is the fourth fatality in the incident.

Fundraisers have been launched to support the families of the three people killed and those injured in a New Year’s illegal-fireworks explosion, in what officials have called a mass casualty event.

A 3-year-old boy has died from injuries in the Aliamanu fireworks explosion, marking the fourth death. Two victims were identified, with more details to come.