The company bans "party houses", CEO Brian Cesky announced on Twitter on Saturday, in connection with Thursday night's shooting.
The company will "redouble its efforts to fight against unauthorized parties and to get rid of abuse by hosts and guests" behavior, including behavior that leads to the horrific events we saw in Orinda, he writes. The shooting took place in Orinda, California, a city east of Berkeley in the San Francisco Bay Area.
In additional tweets, Cesky details the course of action of the company.
"First, we are expanding the manual screening of high-risk bookings marked by our risk-detection technology," he said. "Secondly, we are setting up a dedicated" party house "rapid response team. Third, we are taking immediate action against consumers who violate these enhanced guest policies, including removal."
He ended the thread on Twitter, calling the events "unacceptable."
The shooting happened during a Halloween party on Thursday night. The party rented by Airbnb, which specifically banned parties, was advertised on social media and had more than 1
"The arriving officers discovered a very chaotic scene involving victims of firearms, injured participants and numerous people fleeing the scene. The guards apparently came from all over the Bay Area for the Halloween event, "a sheriff's office said in a statement from Costa Rica.
Three people died at the scene and two others died at the hospital, according to the sheriff's office. It is currently unknown how many were injured.
The sheriff's office says several of the injured were taken by ambulance to local ambulance hospitals, while some victims were transported to the hospital. The incident is under investigation and, according to the sheriff's suspected services, no suspects have been arrested.