Saudi Arabia is being dragged deeper into the Middle East crisis after Iranian attacks on the US embassy in Riyadh and on the kingdom's largest oil refinery. Paul Wallace explains. Removes footage issued by the Associated Press without correct clearance. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com for business news &