U.S. Capitol security "heightened" due to Iran conflict

Congressional security officials are instituting "heightened security measures" at the U.S. Capitol in response to escalating conflict in the Middle East, according to a notice to House offices obtained by Axios. Why it matters: It is a signal of how seriously domestic law enforcement is taking the possibility of attacks on U.S. soil related to ongoing U.S. operations in Iran. House Sergeant-at-Arms William McFarland wrote in an email Monday afternoon that his office is "working closely with ..