A man working with a cardboard shredder in Lincoln Heights died this morning after he became entangled in the equipment, authorities said.

The circumstances surrounding the incident, which occurred shortly before 8 a.m., were not known, said Devin Gales, a spokesman for the Los Angeles Fire Department. The victim's name and age were not disclosed.

Firefighters declared the man dead when they arrived at the scene in the 3900 block of North Mission Road, Gales said. The Los Angeles Police Department is investigating.

-- Nicole Santa Cruz