This story has been updated to reflect new details.
One driver is dead and another is in serious condition following a crash on I-20 W near Campus Drive, according to Fort Worth police.
The westbound lanes of I-20 were closed down Monday morning as police investigated the crash, officials said, with traffic being routed around the closure.
Fort Worth officers were responding to a woman whose blue sedan had stalled around 4 a.m. on southeast Loop 820 when they saw another vehicle hit the blue sedan, a police spokesperson said.
The sedan's lights were not on at the time of the crash, police said.
Officers were on the other side of the freeway driving past the sedan at the time of the crash, the spokesperson said.
The sedan caught fire and quickly became fully engulfed in flames, according to officials.
The drive of the sedan was pronounced dead at the scene of the crash, according to police.
The driver who allegedly hit them was taken to a local hospital with injuries that were not life-threatening, police said.
Westbound traffic appeared to be moving again in the area as of 11:45 a.m., per traffic cameras.
This is a developing story. WFAA will update it as we receive more information.