US President Donald Trump on Wednesday called upon state institutions across the United States to lower flags to half staff to commemorate the victims of the terrorist attacks on 11 September 2001.

Axar.az reports citing foreign media that the White House has published the president's statement on its website.

"NOW, THEREFORE, I, DONALD J. TRUMP, President of the United States of America, do hereby proclaim September 11, 2019, as Patriot Day. I call upon all departments, agencies, and instrumentalities of the United States to display the flag of the United States at half-staff on Patriot Day in honor of the individuals who lost their lives on September 11, 2001", Trump announced.