Three Houston firefighters sustained significant burns after becoming trapped in a burning apartment building on Tuesday morning, officials say.

Three Houston firefighters suffered second- and third-degree burns Tuesday morning after being trapped behind a heavy door while searching an apartment during a blaze, officials said. The men were rescued by another firefighter,

In response to reports of people trapped in a fire, Houston Fire Department crews were dispatched to an apartment complex in the 4800 block of Jarmese Street around 5:35 a.m. Tuesday, Brent Taylor, a spokesperson for the fire department said.

Three Houston firefighters are being treated for severe burns after a harrowing rescue operation in the early hours January 7th. The firefighters were trapped behind a door during an apartment fire, but their bravery saved multiple lives.

The Houston Fire Department said it will be a long road to recovery for three Station 46 firefighters who were significantly burned while trapped by a heavy door, prompting a mayday call.