![D.C. Fire and EMS tweeted this photo of emergency responders at the scene of a fatal crash at 19th St. and Constitution Ave. NW in D.C. early Sunday, Dec. 23, 2018. (D.C. Fire and EMS via Twitter)](https://wtop.com/wp-content/uploads/2018/12/DvFN1wlWwAASARD.jpg)
![Four people were involved in a serious crash near the National Mall on Sunday, Dec. 12, 2018. One person has died and other was airlifted to the hospital by U.S. Park police.
D.C. Fire and EMS tweeted this photo of emergency responders at the scene. (D.C. Fire and EMS via Twitter)](https://wtop.com/wp-content/uploads/2018/12/DvFN1wlWwAIP8dc.jpg)
![](https://wtop.com/wp-content/uploads/2018/12/DvFN1wmWwAA3zPt.jpg)
![D.C. Fire and EMS tweeted this photo of emergency responders at the scene of a fatal crash at 19th St. and Constitution Ave. NW in D.C. early Sunday, Dec. 23, 2018. (D.C. Fire and EMS via Twitter)](https://wtop.com/wp-content/uploads/2018/12/DvFN1wlWwAASARD-260x174.jpg)
![Four people were involved in a serious crash near the National Mall on Sunday, Dec. 12, 2018. One person has died and other was airlifted to the hospital by U.S. Park police.
D.C. Fire and EMS tweeted this photo of emergency responders at the scene. (D.C. Fire and EMS via Twitter)](https://wtop.com/wp-content/uploads/2018/12/DvFN1wlWwAIP8dc-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2018/12/DvFN1wmWwAA3zPt-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2018/12/DvFN1wmWwAA3z-480x320.jpg)
WASHINGTON — One person is dead and another in critical condition following a crash near the National Mall on the Sunday before Christmas.
A D.C. fire official said four people were involved in a two-vehicle collision on Constitution Avenue near 19th Street in downtown D.C., near the Department of the Interior, just after midnight Sunday.
A series of videos tweeted by D.C. Fire and EMS show rescue workers attempting to free crash victims from two vehicles pinned against a tree.
Update crash with entrapment 19th St & Constitution Ave NW. 2 vehicles crush up against a tree. 2 patients pinned. 2 rescue squads working on extrication. Medevac requested to stand by nearby. pic.twitter.com/WhsOENSLdL
— DC Fire and EMS (@dcfireems) December 23, 2018
A man and a woman were extricated and transported to a hospital via U.S. Park Police helicopter, where the man later died. His name had not been made public as of Sunday morning.
Two additional victims suffered injuries that were not life threatening.