UN responds to Trump about escalator malfunction
abcnews.go.com

... The United Nations issued a statement about the mishap, saying that the elevator stopping might have been triggered for safety as a videographer was standing backwards ahead of the president trying to film him.

"The safety mechanism is designed to prevent people or objects accidentally being caught and stuck in or pulled into the gearing. The videographer may have inadvertently triggered the safety function described above," the U.N. statement said.

"Our technician, who was at the location, reset the escalator as soon as the delegation had climbed up to the second floor. A subsequent investigation, including a readout of the machine's central processing unit, indicated that the escalator had stopped after a built-in safety mechanism on the comb step was triggered at the top of the escalator," the U.N. statement continued. "The safety mechanism is designed to prevent people or objects accidentally being caught and stuck in or pulled into the gearing. The videographer may have inadvertently triggered the safety function described above." ...