An American man and his teenage son died last month after they were swarmed by wasps while zip lining at an adventure camp in Laos and stung many dozens of times, a hospital official said Thursday.

Daniel Owen, 47, and his son, Cooper, 15, died after being stung dozens of times last month by what appeared to be so-called murder hornets. By Damien Cave and Sui-Lee Wee Damien Cave reported from Ho ...