Many thanks to carlyrodz for sharing his selfie with Keanu on instagram. According to the comment and tags, the photo was taken today at Japanese restaurant UMAI.
Update: Many thanks to Javier Rosado for sharing his selfie with Keanu at UMAI on FB.
Many thanks to Tom Cook for sharing a photo of Keanu on FB. He spotted Keanu at the hotel.
Update X2: Many thanks to Javier Rosado for sharing another selfie with Keanu on FB.
Many thanks to @richcarrion_jr for sharing his selfie with Keanu at UMAI on twitter.
Update X3: Many thanks to dochoaga for sharing her selfie with Keanu on instagram.
Update X4: many thanks to http://www.dailykos.com/stories/2016/9/18/1571597/-Joy-Ann-Reid-completely-de-bunks-GOP-CiC-candidate-s-claim-that-Hillary-Clinton-started-birtherism for sharing two photos with Keanu that were taken at UMAI on instagram here and here.