Firefighting aircraft and ground crews are battling fast-moving wildfire in the Castaic Lake area north of Los Angeles.
The deployment is part of Trump's executive action to declare a 'national emergency' at the US's southern border.
US president orders aid agency to cut ties with entities that have paid rebel group or opposed efforts to counter it.
Thailand becomes the first country in Southeast Asia, and only the third in Asia, to legalise same-sex marriage.