President Donald Trump's lip drooped as he slouched in his chair during a 9/11 observance ceremony at the Pentagon on Friday, which he chose to attend over the event at Ground Zero in New York City.President Trump appeared to slouch and droop during the 9/11 observance ceremony. (AP Photo/Manuel Balce Ceneta)Trump appears slouched beside Melania during 9/11 ceremonyPresident Trump was sitting next to his wife, Melania, during the ceremony. His body appeared hunched over, and his lip seemed to droop as he appeared tired.Trump and Melania listened as the names of the 184 people killed at the Pentagon on 9/11 were read out.Earlier that morning, despite heavy rain, Defense Secretary Pete Hegseth and senior military officials stood outside the Pentagon as a giant American flag was unfurled on the building that was hit by one of the hijacked planes 25 years ago, according to the Irish Star.Journalist Aaron Rupar, posted on X, “Trump's face droops while he attends the 9/11 ceremony this morning at the Pentagon.”Also read: Where was Donald Trump on September 11, 2001? What he said about that morning as 9/11 marks 25 yearsThe speculation comes as facial drooping is widely recognized as a possible sign of stroke, sometimes referred to in medical terms as “facial weakness following a cerebrovascular accident,” which is likely why online users connected Trump's appearance to concerns about his health.(This story is being updated)