At least eight agencies are investigating the cause of a fire at the New Jersey home of a Bayer pharmaceutical executive earlier this month. The fire was reported around 7:30 a.m. March 4 and was "quickly extinguished by the Madison Fire Department," according to the Morris County Prosecutor's Office. The office added that the home was occupied.

The FBI and a number of other law enforcement agencies are now investigating whether a March 4 fire at the New Jersey home of a Bayer Pharmaceuticals executive was arson.

At least eight agencies are investigating a fire at a Bayer executive’s home as a possible arson, authorities said, as many companies increase security for executives following the killing of a United Healthcare CEO.