10:45 AM: After 911 calls from people thinking they heard gunfire in the Westwood Village area, police have found evidence: At least one shell casing found near 23rd and Barton. No reports of injuries or property damage so far, and no suspect description yet.

(Added: Photo by Tim Durkan)

10:50 AM: Officers just told dispatch they’ve now “found seven spent casings between 22nd and 23rd on SW Barton.”

10:58 AM: Officers told dispatch that via witnesses and video, the shooter(s) appeared to be in a dark gray or black Acura or Honda hatchback with two people inside, “firing toward the south side of Barton.”