Online travel site Expedia said it will no longer advertise during Fox News host Laura Ingraham's show.

The company "no longer advertises on this show," a spokesperson told CNBC.

The move comes as multiple companies on Thursday announced they would stop advertising during Ingraham's show after she posted a tweet critical of Parkland student David Hogg, who has become a vocal advocate for gun control since the mass shooting last month at his high school.

A spokesperson for Expedia did not comment on whether its decision to pull its ads from the show was in response to Ingraham's tweet, according to HuffPost.

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Ingraham on Wednesday shared a Daily Wire story that reported Hogg was rejected from four colleges.

“David Hogg Rejected By Four Colleges To Which He Applied and whines about it. (Dinged by UCLA with a 4.1 GPA...totally predictable given acceptance rates),” Ingraham tweeted.

Hogg replied a few hours later, asking in a tweet who the Fox News host's biggest advertisers were.

He later tweeted out a list of Ingraham's advertisers, directing people to contact those companies.

Several other advertisers, including TripAdvisor and pet food brand Nutrish, also said Thursday they would stop advertising on her program.

Ingraham on Thursday apologized for "any upset or hurt my tweet caused him or any of the brave victims of Parkland."

Hogg has emerged as a national advocate in the weeks since a gunman opened fire at Marjory Stoneman Douglas High School, killing 17 people.

He helped to organize and lead the "March for Our Lives" rally Saturday in Washington, D.C., and has been warning lawmakers that they will be voted out of office if they don't pass new gun laws.