Former Facebook exec says she was harassed on flight

Photo by Andy Kropa/Invision/AP file

In this Oct. 17, 2017 file photo, Randi Zuckerberg, sister of Facebook founder Mark Zuckerberg, participates in the BUILD Speaker Series Be Fierce tech panel in New York.

SEATTLE — Alaska Airlines said Thursday it’s investigating a claim that flight attendants allowed a passenger to sexually harass a former Facebook executive on a flight.