WAUKEGAN, Ill. (AP) — An explosion and fire at an Illinois silicone factory claimed a second victim Saturday when an employee taken to a hospital after the blast died, a local coroner confirmed, and the official death toll is expected to rise to four as authorities suspended the search for two other bodies believed to be in the rubble.

Crews suspended their search due to concerns about the stability of the structure, and Waukegan Fire Marshal Steven Lenzi said they would not resume searching until what remains of the plant is torn down.

The four believed dead were among nine employees who were...