Colin Dwyer

The massive earthquake rattled through Mexico City at about 1 p.m. local time Tuesday, razing buildings and filling the air with thick clouds of dust. As residents left their offices and homes, dozens of which sustained severe damage or collapsed entirely, the sun was glaring high in the sky.

It was midday, and the children were still in school.

Updated at 7:45 p.m. ET

As the morning sun rose over the cities of Central Mexico on Wednesday, where city blocks had lain neatly arranged, there was now a mess of rubble and stunned residents, watching as thousands of earthquake volunteers and rescue workers dug through scattered stones searching for signs of life.

The 7.1 magnitude quake struck Tuesday in Puebla state, some 75 miles from Mexico City, but it devastated a vast expanse of the country. Mexican authorities put the death toll at 230.

Updated 6:30 a.m. ET Wednesday

The head of Mexico's civil defense agency has lowered the number of people confirmed dead in Tuesday's earthquake. Luis Felipe Puente now says 217 people were killed. Earlier he said the death toll was 248. He gave no explanation for the revised number.

Updated at 3:30 a.m. ET

The death toll continues to rise in Mexico after Tuesday's earthquake. The country's national civil defense agency confirmed the death toll stands at 248. Rescue teams are digging through the rubble to find survivors.

Authorities say three people have been arrested after an eruption of violence on Georgia Tech's campus Monday night. The clash, which broke out during a vigil for a 21-year-old student shot and killed Saturday by police, left officers with minor injuries and one police vehicle damaged by fire.

For just under half an hour Saturday night, President Trump and his South Korean counterpart, Moon Jae-in, tackled the missile threat looming from Pyongyang. The pair of leaders condemned North Korea's recent ballistic missile test — and once more vowed to strengthen their joint defenses and ratchet up economic pressure on Kim Jong Un still further.

Four days, 40 nominees — and now, a clear idea of which writers have a shot to win the 2017 National Book Awards.

The National Book Foundation unveiled its longlists of nominees in stages this week, releasing a new set of 10 nominees each day. The rollout concluded Friday with the list of fiction contenders.

Hurricane Irma arrived on the doorstep of the Virgin Islands just over a week ago. A Category 5 storm, historic in its terrible might, Irma shredded homes and hotels into the bare materials that made them, its winds scattering floorboards and roofs and light poles like so many matchsticks.

The Man Booker Prize rolled out its 2017 shortlist on Wednesday, delivering a list of six nominees showcasing a hefty dose of literary heavyweights and a pair of newcomers. Of the six novels on the list, just one will go on to win this year's prestigious literary prize at gala ceremony next month in London.

The Department of Transportation released its revised guidelines on automated driving systems Tuesday, outlining its recommended — but not mandatory — best practices for companies developing self-driving cars.

Updated at 6:25 p.m. ET

Edith Windsor loved Thea Spyer. For nearly half a century, the two were partners and eventually were legally married as well. When Spyer died in 2009, though, the federal government didn't recognize that love on Windsor's tax forms, expecting her to pay more than $350,000 in estate taxes.

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