LONDON — Notre Dame in Paris is not the first great cathedral to suffer a devastating fire, and it probably won’t be the last.

DENVER — Dropping her kids off at school used to be the hardest part of Kacey Ruegsegger Johnson’s day. She would cry most mornings as they left the car, and relied on texted photos from their teachers to make it through the day.

WASHINGTON — Twenty years after the Columbine High School shooting made practicing for armed intruders as routine as fire drills, many parents have only tepid confidence in the ability of schools to stop a gunman, according to a new poll by The Associated Press-NORC Center for Public Affairs Research.

TOKYO — The operator of the tsunami-wrecked Fukushima nuclear plant began removing fuel Monday from a cooling pool at one of three reactors that melted down in the 2011 disaster, a milestone in what will be a decades-long process to decommission the facility.

NEW YORK — U.S. measles cases have surged again, and are on pace to set a record for most illnesses in 25 years.