BRANDON JOHNSON'S VICTORY.

WE GO TO BRANDIS WITH OUR TOP STORY OF THE NIGHT.

>>> MEMBERS OF THE CHICAGO FIRE DEPARTMENT ARE REELING TONIGHT FROM THE DEATHS OF TWO FIREFIGHTERS IN JUST TWO DAYS.

>> THIS JOB IS DANGEROUS.

DESPITE THE BEST TRAINING AND EQUIPMENT THAT WE CAN PROVIDE.

THE SACRIFICES THAT THEY MAKE, THE SACRIFICES THEIR FAMILIES MAKE ARE SIGNIFICANT.

ALL IN THE SERVICE OF OUR CITY.

FIREMEN AND POLICE OFFICERS RUN TOWARD DANGER.

THE REST OF US RUN IN THE OTHER DIRECTION.

>> WTTW NEWS REPORTER MATT JOHNSON JOINS US WITH MORE.

TELL US ABOUT THE INCIDENT THAT HAPPENED TODAY THAT KILLED LIEUTENANT JAN TCHORYK.

>> TCHORYK WAS RESPONDING TO A FIRE THAT BROKE OUT THIS MORNING .

HE WAS LEADING TOWER LADDER 10 AS THEY WERE MAKING THEIR WAY UP TO THIS FIRE.

THEY WERE CLIMBING UP STAIRCASES.

HE WAS ON THE 11th FLOOR, WHICH IS WHERE HE WENT DOWN.

MEMBERS OF HIS CREW IMMEDIATELY STARTED PERFORMING CPR ON HIM.

HE WAS RUSHED TO A HOSPITAL BEFORE HE WAS EVENTUALLY SUCCUMBED TO HIS INJURIES WHILE AT THE HOSPITAL.

>> WHAT DO WE KNOW?

>> HE'S BEEN WITH THE DEPARTMENT FOR 26 YEARS.

THE FIRE COMMISSIONER DESCRIBED HIM AS AN AVID OUTDOORSMAN WHO ENJOYED BIKING.

HE ENJOYED RIDING MOTORCYCLES.

HE WAS A NAVY VETERAN WHO SERVED IN DESERT STORM.

WE ALSO LEARNED HIS SON, DYLAN, RECENTLY BECAME AN OFFICER FOR THE CHICAGO POLICE DEPARTMENT.

>> WE'RE LOOKING AT A PHOTO OF LIEUTENANT AND HIS SON, DYLAN.

HIS DEATH COMES ON THE END OF ANOTHER FIREFIGHTER , JERMAINE PELT.

>> BATTLING A SEPARATE FIRE IN WEST PULLMAN NEIGHBORHOOD.

HE JOINED IN 2005.

HE HAD TWO CHILDREN, ONE OF WHOM WAS AN ADULT DAUGHTER, WHO HE JUST RECENTLY WALKED DOWN THE AISLE AT HER WEDDING.

HIS DAUGHTER WAS ON HER HONEYMOON WHEN SHE UNFORTUNATELY LEARNED OF HIS PASSING.

DEVASTATING FOR THE FAMILY AND THE CHICAGO FIRE DEPARTMENT.

>> WOULD PROMPT ANY POLICY CHANGES?

>> I DON'T THINK THAT IS NECESSARILY CLEAR YET.

SHE SAID IT IS TOO EARLY FOR MONDAY MORNING QUARTERBACKING.

SHE POINTED OUT THESE TWO FIRES WERE DIFFERENT SITUATIONS.

DESPITE ALL THE TRAINING THESE FIREFIGHTERS DO EVERY SINGLE DAY, FIRES CAN BE