Trump says Oval Office to become national monument

​US ‌President ​Donald ‌Trump on Thursday signed ‌a document ‌to ⁠make the ​White ⁠House's ⁠Oval Office ​and Cabinet Room ⁠a national ⁠monument.

(Reporting ​by ⁠Steve Holland ⁠and ⁠Costas Pitas; ‌Editing ‌by Caitlin ​Webber)