Second gentleman Doug Emhoff was rushed out of an event at a public school in Washington, D.C., on Tuesday in response to a bomb threat.Emhoff was visiting Dunbar High School on Tuesday afternoon when a Secret Service agent said what sounded like, “We have to go,” according to the pool reporter from Spectrum News.Emhoff’s staff told reporters that there was a security threat reported by the school to Secret Service. About 20 minutes after Emhoff was evacuated, the school announced over the intercom that teachers must also evacuate the building.Enrique Gutierrez, a spokesman for D.C. Public Schools, confirmed that there was a bomb threat at the school.This is a developing story. Check back for updates.