Among the dead were a 33-year-old firefighter from Passaic and a 30-year-old baseball coach from Cliffside Park.
Firefighters are facing layoffs after provisions of a SAFER grant changed.
Fire crews in Paterson responded earlier this week to a structure fire that included a Mayday when a firefighter fell through the roof.
One firefighter fell through the roof of the building of a car repair shop while working the scene of a fire.
Firefighters responded late Sunday to a fire that burned a trucking facility in Elizabeth, New Jersey, according to reports.
A forest fire burning through a popular hiking area was about 80% contained by Monday afternoon, New Jersey fire officials said.
Firefighters from federal and New Jersey agencies were battling a forest fire that broke out in a popular hiking area near the Pennsylvania border.
Hackensack (NJ) firefighters faced heavy fire conditions when they responded on Friday to a three-alarm warehouse in the city, according to reports.
A fast-moving fire roared through a multifamily home in central New Jersey early Thursday, leaving one resident dead and another injured, authorities said.