The City of Prescott has released an image of the Granite Mountain Interagency Hotshot Crew, an elite team of 19 firemen, who were killed on Sunday.
More top news
The singer had been tweeting in support of migrants when she was bombarded with abusive messages.
Ministers are reportedly considering plans in a bid to lower inward migration.
In a tweet on Saturday, the US president didn't give a reason for his absence but said he wished"everyone well and have a great evening".