This year is the 20th anniversary of the devastating attacks on the World Trade Center in New York City that killed nearly 3,000 people in 2001.

LONDON – Police shot dead a man suspected of stabbing several people near London Bridge on Friday in what detectives declared a terrorist incident. The police force said officers were called just before 2 p.m. “to a stabbing at premises near to London Bridge,” which links the city’s business district with the south bank of the River Thames. Witnesses reported seeing what appeared to be fighting on the bridge, as several people attempted to hold a man down. British Transport Police said London Bridge station, one of the city’s busiest rail hubs, was closed and trains were not stopping there. City of London Police, the force responsible for the business district, urged people to stay away from the area.