 Cyber expert James Bohr told the AP real harm would be caused by the outage because systems we've come to rely on at critical times are not going to be available. We've got all of these critical systems. We've got, obviously, hospitals, airlines, banks. I've heard that there's emergency services involved. I'm Charles de la Desma, London. Police say a Florida man accused of making threats against former President Trump, U.S. Senator J.D. Vance, and their families on social media has been arrested.