Austin police are investigating a hit-and-run that sent one woman to the hospital early Monday morning.

The accident happened at the 9500 block of North Lamar Boulevard in North Austin. Austin Travis County EMS said a large truck hit a woman in her 20s at around 2:45 a.m.

Medics transported her to Dell Seton Medical Center with life-threatening injuries.

Police said the truck driver fled the scene and has not been located yet.

This story will update as KVUE learns more.