US Sen. Lindsey Graham, the longtime Republican from South Carolina, has died “from a brief and sudden illness,” a spokesperson for his office told CNN.

President Donald Trump’s new Air Force One has completed its first flights, but security experts are questioning whether the aircraft received all the defensive and communication upgrades needed to serve as the “flying White House.”

New York City’s Department of Investigation has opened a probe into the structural failure at a Manhattan high-rise being converted from offices into apartments. Officials say two columns buckled earlier this week, forcing evacuations and road closures before crews stabilized the building.