US President Donald Trump on Monday, ordered that American flags be flown at half-mast to honour Pope Francis. This comes after Trump wrote on Truth Social: “Rest in Peace, Pope Francis! May God bless him and all who loved him!

President Trump ordered flags across the United States to be flown at half-staff out of respect for Pope Francis, who died April 21, on Easter Monday. The pope, 88, had battled respiratory problems since February, spending weeks in the hospital with bilateral pneumonia and other health issues.

Pope Francis died on Monday, April 21. American flags are to be flown at half-staff until the day of interment. Here's what to know.