As the FBI investigates the mass shooting at an Austin bar as a "potential act of terrorism," jitters across the United States are skyrocketing. Three Texas people were killed and 14 wounded Sunday as cops say a gunman opened fire before he was shot dead by police. Shooter Ndiaga Diagne also reportedly had pictures of Iranian leaders in his Texas home. Police shot the gunman dead. Meanwhile, people are taking to social media to express their fears about possible sleeper cells on U.S. soil. | Ins

Furious protestors surrounded a Hilton Hotel in Minneapolis where they believed ICE agents were staying this weekend to protest the fatal shooting of 37-year-old Alex Pretti by a Border Patrol agent. Witness accounts and video of the incident from multiple angles appear to contradict federal officials' claims that Pretti approached agents with a loaded gun with the intent to harm them. #minneapolis #ice #agent #protest | Inside Edition

The dad was knocked unconscious and suffered multiple injuries, while Ronan was rushed to the hospital with a traumatic brain injury. The parents tell Inside Edition they fear that the same horror could happen to another family, and are now suing the city of San Diego and the two contractors that were hired to care for the tree. #SanDiego | Inside Edition