Hawthorne Units Assist at Major Fire at Marcal Paper.

ELMWOOD PARK — Firefighters battled a blaze at the iconic Marcal Paper Mills in Elmwood Park on Monday evening, officials said.

The fire began at the warehouse on Market Street just after 4:30 p.m., officials said. It was under control just before 7 p.m.

Authorities said more than 100 firefighters from 20 towns helped battle the fire.

“You had to be way ahead of yourself in case this thing took off,” Elmwood Park Mayor Robert Colletti said. “We were ready for it.”

There were no reported injuries. It was unknown how the fire started.