The illegal firework explosion that took place in Aliamanu, Hawaii, also known as Salt Lake, has left five people dead and two arrested.

A 29-year-old man who died nearly a month after sustaining serious burns was among six victims recovering at the Arizona Burn Center.

By sea or by air, illegal fireworks continue to make their way into Hawaii. But efforts are ramping up to catch them, and keep ships and planes safer in the process. While most of the contraband is still through Hawaii’s ports,