ORINDA, Calif. (AP) — Four people were killed and at least four injured at a Halloween party shooting at a Northern California home rented by a woman who falsely claimed she wanted the Airbnb so her asthmatic family members could escape wildfire smoke, police and a person with knowledge of the transaction said Friday.

Gunshots were reported at about 10:45 p.m. Thursday at the large home in the wealthy San Francisco suburb of Orinda where more than 100 people had gathered, police said. The home, surrounded by trees and up a steep driveway, had been rented on Airbnb by a woman who told the owner...