National media reports say at least 13 people are dead and another 10 are injured after a mass shooting at the Washington, DC Navy Yard.
The shooting began shortly before 8:30 this morning.
Officials say one gunman, 34-year-old Aaron Alexis of Fort Worth, Texas, is dead, but a search was continuing for one other possible shooter.
The Navy says the yard was placed on lockdown after the shots were fired inside a building. The victims include civilians, military members and police.
The FBI is leading the investigation into the incident.
Stay tuned to ABC 10 for ABC World News with Diane Sawyer for the latest on this story. That’s coming up at 6:30 Eastern time tonight.