NEW YORK (AP) — The Latest news surrounding observances marking the 16th anniversary of the 9/11 terror attacks (all times local):9:50 a.m.A somber ritual that includes the tolling of bells and a reading of the victims' names is underway in Pennsylvania, honoring the 33 passengers and seven crew members killed in the terror attack on United Flight 93.Vice President Mike Pence is at ceremony outside the park's visitor center in Shanksville.