After four attacks in two weeks, law enforcement officials are warning of lone wolf attacks as the war with Iran continues. The attacks can be difficult to prevent, and communities are urged to be vigilant for anything unusual. #IranWar #terrorism #violence Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live" with Nichole Berlie. Weekdays starting at 12p/11C. NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij