One of the student survivors of the Parkland, Fla., mass shooting is calling for people to target Fox News host Laura Ingraham's advertisers after she posted a critical tweet about him being rejected from colleges.

Ingraham had tweeted a Daily Wire story earlier Wednesday about Marjory Stoneman Douglas High School student David Hogg not getting into four colleges he had applied to.

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.) https://t.co/wflA4hWHXY — Laura Ingraham (@IngrahamAngle) March 28, 2018

Hogg replied a few hours later, tweeting at the Fox News host and asking who her biggest advertisers were.

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

Working on a list rn ! — David Hogg (@davidhogg111) March 29, 2018

Hogg has emerged as a national figure in the weeks since the mass shooting at his Florida high school that left 17 people dead. He helped to organize and lead the March for Our Lives in Washington, D.C., on Saturday.

Many had knocked Ingraham for criticizing Hogg over his college rejections, including lawmakers.

Just a Fox News host attacking a school shooting survivor for getting rejected from colleges. What a world. https://t.co/i0HYUpLHgN — Matthew Nussbaum (@MatthewNussbaum) March 28, 2018

A professional troll who trolls a high school kid who survived a mass shooting and watched his friends get murdered deserves to be trolled mercilessly in return. https://t.co/Bn6kxhRz34 — James Morrison (@JamesPMorrison) March 28, 2018

When I was in high school, we had a "Wall of Shame" where we all posted our rejection letters as a form of class-wide catharsis. Everyone did it and supported each other. All those 18-year-olds were more mature than Lauren Ingraham. https://t.co/XCzyV9sKhf — Dylan Matthews (@dylanmatt) March 28, 2018

1. The constant barrage of nasty personal attacks against the Parkland student activists is both startling & proof of their effectiveness. https://t.co/7dtJF8wINz — Jeet Heer (@HeerJeet) March 28, 2018

His friends are dead.

He's asking us to save other children from being killed.

One of the organizers of massive protests.

Fox News host mocks him for some colleges rejecting him even though he has an impressive GPA.

Guess @davidhogg111 has really gotten under Fox News' skin. https://t.co/HmxmOrcBK4 — Lisa Bloom (@LisaBloom) March 28, 2018

In a Thursday afternoon tweet, Ingraham apologized to Hogg "in the spirit of Holy Week" and said he was welcome to return to her show anytime. Her apology came as three advertisers announced that they were pulling their ads from her program.

Any student should be proud of a 4.2 GPA —incl. @DavidHogg111. On reflection, in the spirit of Holy Week, I apologize for any upset or hurt my tweet caused him or any of the brave victims of Parkland. For the record, I believe my show was the first to feature David...(1/2) — Laura Ingraham (@IngrahamAngle) March 29, 2018

... immediately after that horrific shooting and even noted how "poised" he was given the tragedy. As always, he’s welcome to return to the show anytime for a productive discussion. WATCH: https://t.co/5wcd00wWpd (2/2) — Laura Ingraham (@IngrahamAngle) March 29, 2018

—Updated at 1:22 p.m.