Team System DZ posted pro-ISIS messages on Ohio Governor John Kasich's website, as well as several other Ohio state sites and government sites around the country on Sunday.
The messages on the American sites read "you will be held accountable Trump, you and all your people, for every drop of blood flowing in Muslim countries." It ended with "I love the Islamic state." The group responsible is known as “Team DZ.”
The same message also popped up on websites in the town of Brookhaven, New York, according to news reports in that state, as well as the website for Howard County, Maryland.
Most of the affected websites are still down.