Security tight outside US consulate in China as staff prepares exit

The US consulate in Chengdu, China, has been cordoned off by security as diplomats prepare to shutter the building amid a tit-for-tat scuffle and escalating tensions between the world’s two largest economies. US diplomats in the building had been given until 10 a.m. Monday to vacate the premises. Chinese protesters heckled US officials as they...