Fred Guttenberg, who lost his 14-year-old daughter in the Parkland, Florida, school shooting, was escorted out of the gallery during President Donald Trump’s State of the Union speech on Tuesday.

The dramatic moment unfolded as the president mentioned that he would protect gun rights. Guttenberg was heard shouting from the speaker’s box as the president spoke and he was quickly removed from the audience by a plainclothes police officer.

Read the rest of the story at ABC News.