Three killed, four injured in Seattle Center shooting

• Police said last night that one person was in custody and that officers "were pursuing leads to identify others involved in the gun violence."
• Those killed but not identified as of Monday morning were a 19-year-old man, a 44-year-old man and a 56-year-old woman, police said.

The hospitalized victims were in stable condition as of early Monday, police said.

Witnesses recall a horrific scene, as festival attendees scrambled to take cover when shots were first fired, Seattle Times reports.

• Estan Wakonabo told Seattle Times that the event was already so crowded it was hard to move, and "it was just pure chaos" after shots were fired.

Editor's note: This story has been updated with further information about the victims.