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.

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.

A fire and explosion were reported at a Denver-area assisted home facility on Wednesday morning. According to a social media post from the Denver Fire Department, crews responded to the fire around 11:30 a.m. local time. About a half hour later, the fire department said an explosion had been reported inside the same facility.

Nearly 90 people were displaced after an apparent explosion at an assisted living center Wednesday in southeast Denver that sent eight people to the hospital, according to the Denver Fire Department.

At least five people were injured in a fire at a home in San Leandro early Thursday morning, and it was unclear whether a child had been killed, authorities said.

A 6-year-old child died in a house fire in San Leandro Thursday morning, fire officials said. Five other victims were transported to the hospital, according to the Alameda County Fire Department. Their conditions weren’t immediately known.

Ryan Yamamoto reports on updated information about a deadly house fire in San Leandro Thursday morning. I guess this was inevitable. The president received an awkward reminder, right to his face. Dad,