AA diverts flight after security threat involving Sony executive on board

American Airlines diverted a San Diego-bound flight after hackers used social media to declare that there was a bomb on-board. The hackers were targeting a senior Sony company executive that was aboard the flight, which diverted to Phoenix.A Twitter account called “Lizard Squad” sent a message to American Airlines, informing the airline that there might be explosives on the aircraft carrying John Smedley, the president of Sony Online Entertainment, which makes video games. The same account also claimed responsibility for causing the online-based PlayStation Network to cease functioning under a “denial of service” attack.San Diego airport spokeswoman Rebecca Bloomfield said