Cristina Pacione-Zayas appears on “Chicago Tonight” on May 7, 2020. (WTTW News)

Since Mayor Brandon Johnson took office, Cristina Pacione-Zayas has served as his first deputy chief of staff, charged with overseeing the city’s response to the arrival of nearly 38,500 migrants from the southern border.

Mayor-elect Brandon Johnson takes questions from the news media after meeting with Mayor Lori Lightfoot on Thursday, April 6. (Heather Cherone/WTTW News)

Mayor-elect Brandon Johnson had just 41 days to put together his administration and lay the foundation to start delivering on his ambitious agenda — the shortest mayoral transition in Chicago history.

(WTTW News)

“The many challenges of COVID-19, coupled with the inconvenience of life-threatening conditions that cold weather and extreme weather brings every year, that means we’ve got to utilize every tool that we can to protect the health and well-being of our residents,” Mayor Lori Lightfoot said Monday.

Some Chicagoans are under a boil order on Thursday, May 6, 2021. (Holger Schue / Pixabay)

Chicagoans in the Beverly and Morgan Park neighborhoods are under a water boil order possibly until Friday, following a service disruption at the Roseland Pumping Station.

The Cubs home opener at Wrigley Field on Thursday, April 1, 2021. (WTTW News)

The Cubs may have lost their 2021 home opener, but fans consider it a win. For the first time since 2019, some 10,000 people were able to watch the game inside of Wrigley Field. We have this look at all things opening day as part of our community reporting series.

Chicago is bracing for a foot of snow. (WTTW News)

It’s been 10 years since the infamous Groundhog Day blizzard left hundreds of motorists stranded on Lake Shore Drive. As another major winter storm bears down on Chicago, officials are putting to use lessons learned from that debacle.

Cars drive on cleared roads in Chicago on Tuesday, Jan. 26, 2021 after the season’s first big snowfall. The city is gearing up for another major storm on Saturday, Jan. 30. (WTTW News)

City officials sought to reassure Chicagoans on Saturday they were prepared for a major winter storm to hit the city, which could dump between 5 inches and 9 inches of heavy, wet snow through Sunday.