Domestic terrorism incidents have soared to new highs in the United States, driven chiefly by white-supremacist, anti-Muslim and anti-government extremists on the far right, according to a Washington Post analysis of data compiled by the Center for Strategic and International Studies, the Washington Post Reports.

The surge reflects a growing threat from homegrown terrorism not seen in a quarter-century, with right-wing extremist attacks and plots greatly eclipsing those from the far left and causing more deaths, the analysis shows, the WaPo story says.

“What is most concerning is that the number of domestic terror plots and attacks are at the highest they have been in decades,” said Seth Jones, director of the database project at CSIS, a nonpartisan Washington-based nonprofit that specializes in national security issues. “It’s so important for Americans to understand the gravity of the threat before it gets worse.”

Read the full story from the Washington Post