A team of investigators from the National Transportation Safety Board was at the site of an Amtrak derailment in north-central Montana that killed three people and left seven hospitalized Sunday, officials said.

Unvaccinated visitors to Chicago from 48 states as well as Washington, D.C., Guam and the Virgin Islands are urged to quarantine for 10 days or record a negative test for the coronavirus within 72 hours of their arrival, officials said.

The advisory now covers 48 states as well as Puerto Rico, Guam and the Virgin Islands, said Dr. Allison Arwady, Chicago’s top doctor. “This is an encouraging snapshot of the nation’s daily COVID data, but by no means can we let our guard down now,” she said.

Chicagoans who have not been vaccinated against COVID-19 should not travel, Dr. Allison Arwady announced Wednesday, as officials expanded the city’s advisory designed to stop the spread of the still-surging virus to every state and territory in the U.S.

Marina Verbitsky, 46, allegedly told staff at a Florida airport that there was a bomb inside her checked luggage after she’d been informed she would not be able to get on to her scheduled flight.

A Chicago woman falsely claimed a bomb was on a plane at a South Florida airport after missing her flight, authorities said.

Students at an unidentified Chicago university who traveled over spring break sparked an outbreak of COVID-19 that sickened 158 people, according to a report from the Centers for Disease Control and Prevention released Thursday.

Due to the surge of COVID-19 cases, the director of the U.S. Centers for Disease Control and Prevention is asking unvaccinated Americans not to travel during the Labor Day holiday weekend.

The city’s travel advisory now covers 48 states as well as Washington, D.C., Puerto Rico, Guam and the Virgin Islands, officials said Tuesday.

It’s the last summer weekend to squeeze in a family vacation, but the delta variant of COVID-19 is discouraging Labor Day weekend travel. Crain’s Chicago Business editor Ann Dwyer takes us behind the headline of that story and more.

The European Union recommended Monday that its 27 nations reinstate restrictions on tourists from the U.S. because of rising coronavirus infections there.

Chicago officials added four states to the city’s COVID-19 travel advisory on Tuesday as the number of cases continues to spike with the spread of the delta variant of the virus.

Rowdy airline passengers have now racked up a record $1 million in potential fines this year, a toll of the tumult in the sky as travelers have returned after most were grounded by the pandemic in 2020.

The advisory now covers 31 states — including those that border Illinois — as well as Puerto Rico and Washington, D.C. Unvaccinated visitors to Chicago from those states are urged to quarantine for 10 days or record a negative test within 72 hours of their arrival, officials said.

Motorists put the pedal to the metal during the pandemic and police are worried as roads get busy with the final stretch of summer travel.

COVID-19 infections are again rising in Chicago following Lollapalooza, which drew hundreds of thousands of people to Grant Park last weekend. But the city’s top doctor says the four-day event is not to blame.