US to commemorate 9/11 as its aftermath extends and evolves

FILE- In this May 15, 2015 file photo, visitors gather near the pools at the 9/11 Memorial in New York. As they have done 17 times before, a crowd of victims’ relatives is expected at the site on Wednesday, Sept. 11, 2019 to observe the anniversary the deadliest terror attack on American soil. (AP Photo/Frank Franklin II)

NEW YORK — Americans are commemorating 9/11 with mournful ceremonies, volunteering, appeals to “never forget” and rising attention to the terror attacks’ extended toll on responders.