An image taken from a video posted by Robert Nightingale, who was a passenger aboard the Amtrak train that derailed on Monday, June 27, 2022, in Mendon, Missouri. (Credit: Robert Nightingale via CNN)

Three people are dead and at least 50 injured after an Amtrak train derailed Monday in Missouri, Cpl. Justin Dunn, a spokesperson for Missouri State Highway Patrol Troop B, told reporters Monday evening.

Passengers get a COVID-19 test at Heathrow Airport in London, Nov. 29, 2021. (AP Photo / Frank Augstein, File)

The Biden administration is lifting its requirement that international air travelers to the U.S. take a COVID-19 test within a day before boarding their flights, easing one of the last remaining government mandates meant to contain the spread of the coronavirus.

Children and their caregivers arrive for school in New York, Monday, March 7, 2022. (AP Photo / Seth Wenig, File)

The Biden administration announced Wednesday that it is extending the nationwide mask requirement for public transit for 15 days as it monitors an uptick in COVID-19 cases.

Georgia’s Hartsfield-Jackson Atlanta International Airport reclaimed its title of world’s busiest airport for passenger traffic in 2021, handling about 75.7 million people. (Elijah Nouvelage / Reuters)

Move over, Guangzhou. Georgia’s Hartsfield-Jackson Atlanta International Airport is once again the world’s busiest airport.

Kasama is among the Chicago restaurants receiving a Michelin star for the first time. (Kasama / Facebook)

Chicago’s restaurant scene received a welcome dose of good news Tuesday with the announcement of the 2022 Michelin star recipients: Four newcomers joined the list and Alinea held onto its three stars.  

(WTTW News)

U.S. Customs and Border Protection is predicting O’Hare International Airport may see more passenger flights this fiscal year than it did prior to the pandemic.

A Delta Air Lines plane taxis down a runway, Saturday, March 14, 2020, at John F. Kennedy International Airport in New York. (AP Photo / Kathy Willens, File)

Normally, airlines that fail to use their assigned rights, or “slots,” at John F. Kennedy and LaGuardia airports in New York, and Reagan National Airport outside Washington, risk losing them. However, regulators waived that rule in March 2020 when airlines cut flights due to the pandemic.

A Dreamliner 787-10 arriving from Los Angeles pulls up to a gate at Newark Liberty International Airport in Newark, N.J., Monday, Jan. 7, 2019. (AP Photo / Seth Wenig, File)

The decision from the companies came Tuesday as the Biden administration intervened to broker tried to broker a settlement between the telecoms and airlines over a rollout of new 5G service.

Dr. Allison Arwady, the commissioner of the Department of Public Health, addresses the news media on Wednesday Jan. 19, 2021. (Chicago's Mayor's Office)

Chicago's COVID-19 test positivity peaked at 19.6% on Jan. 1, Arwady said, and hit 12.6% on Tuesday, the lowest rate since Dec. 28, according to city data. 

A passenger walks past a Southwest Airlines plane at Sky Harbor International Airport in Phoenix, March 26, 2021. (AP Photo / Sue Ogrocki, File)

The new high-speed 5G service uses a segment of the radio spectrum that is close to that used by altimeters, which are devices that measure the height of aircraft above the ground.

(WTTW News)

“COVID is very real, it’s merciless, and unless you are fully vaccinated, your defenses against it are pretty low,” said Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health. 

To prevent the spread of COVID-19, air travelers wear masks at Love Field in Dallas, Friday, Dec. 31, 2021. Flight cancellations surged again on the last day of 2021, with airlines blaming it on crew shortages related to the spike in COVID-19 infections. (AP Photo / LM Otero)

Saturday’s disruptions weren’t just due to the virus, however. Wintry weather made Chicago — where forecasts called for 9 inches of snow — the worst place in the country for travelers. More than 800 flights were scrubbed at O’Hare Airport and more than 250 at Midway Airport.

Travelers queue up at the Southwest Airlines curbside check-in area at Denver International Airport Sunday, Dec. 26, 2021, in Denver. Airlines canceled hundreds of flights Sunday, citing staffing problems tied to COVID-19 to extend the nation's travel problems beyond Christmas. (AP Photo/David Zalubowski)

Flight cancellations that disrupted holiday travel stretched into Monday, with major U.S. airlines each canceling dozens of flights.

Travelers walk through Terminal A at Orlando International Airport on Christmas Day, Saturday, Dec. 25, 2021. (Stephen M. Dowell / Orlando Sentinel via AP)

More than 700 flights entering, leaving or flying within the U.S. were called off, according to the flight-tracking website FlightAware. That figure was down from nearly 1,000 on Saturday. More than 50 flights were already canceled for Monday.

(WTTW News)

Chicago's updated travel advisory includes 42 states, announced Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health.

(WTTW News)

Even as the threat posed by the omicron variant of COVID-19 has yet to materialize in Chicago, the city is enduring a “very significant” surge of COVID-19 fueled by the holiday gatherings and indoor events, Chicago’s top doctor said Tuesday.