Three Firefighters Die Battling Rio de Janeiro Bar Blaze

Three firefighters in Rio de Janeiro died while battling a blaze that broke out at a popular and famous bar in Brazil on Friday.

At least one firefighter also was injured and in serious condition stemming from the incident at the Quatro por Quatro, according to The Associated Press. The fire forced the evacuations of several buildings surrounding the bar.

Investigators are trying to determine the cause of the blaze, Rio Gov. Wilson Witzel told the AP.