Thousands of businesses and organisations across the United States will close on Friday 30 January as part of a nationwide shutdown to protest the violent actions of federal immigration enforcement agents in Minneapolis, Los Angeles, Chicago and other cities. "The art world is built on diversity, inclusivity and the contributions of immigrant artists, workers and audiences. Porter was fatally shot outside his apartment building on 31 December by an off-duty Ice officer. “We stand in solidarity with our immigrant community in Los Angeles and nationwide,” an Instagram post by Los Angeles Contemporary Exhibitions reads. Many galleries with spaces in multiple US cities will also participate, including David Kordansky, Gray, Hostler Burrows, Marian Goodman and Hoffman Donahue.