The findings, which compared the firefighters’ blood samples against those taken from other firefighters after past fires, suggest unique risks to blazes that burn in populated areas.

The firefighters were taken to a hospital Friday afternoon for treatment of non-life threatening injuries, Brookline fire said.

Early findings from an ongoing study report that a group of 20 firefighters tested after the Palisades and Eaton fires had higher-than-expected levels of mercury and lead in their blood.

A horse named Duke was also rescued in the Persimmon Ridge Fire, who escaped while his owner was evacuating. Officials said the horse stayed near his home and was "treated to apples and plenty of head rubs," per WSPA. The family has been informed that Duke and their home are safe, according to crews.

Firefighters are currently battling a fire at Dads Lake at the Valentine National Wildlife Refuge in Cherry County.

As of Friday morning, the fire had scorched 150 acres and was 50% contained. An update was expected later Friday.

On Friday, the Vancouver Police Department taught Clark County firefighters how to respond to emergency calls safely and as quickly as possible.

Local firefighters extinguished a burning train engine near Harbison field in Ponderay at about 7:30 a.m. Friday.

Huntington firefighters battled a 12-unit apartment fire late Friday afternoon at 400 W 9th Avenue. The call came in about the fire at 3:33 p.m. and Huntington Fire Chief Greg Fuller said firefighters got to the apartment quickly and went to work because they were told there may be people trapped

The center in San Juan Capistrano is known for its therapeutic riding programs for children and adults with disabilities and veterans. But this week, it offered 15 of its horses as well as staff and volunteers, to help with the firefighter training program, which is aided by a $40,000 grant from the Gary Sinise Foundation.

Firefighters jumped into action to rescue a person who was trapped inside a house that was on fire in Kennedy Heights on Friday.The fire happened in the 6400 block of Montgomery Road around 4:14 p.m.Sign up for our NewslettersThe Cincinnati Fire Department said first responders found one person trapped in the home and got them out of the house safely.