Analysis-Pakistan worries about being drawn into US-Iran conflict after Houthis attack Saudi Arabia

By Rick Noack, Mubasher Bukhari and Asif Shahzad ISLAMABAD, July 16 (Reuters) - Attacks on Saudi Arabia by Yemen's Iran-aligned Houthis this week have frustrated Pakistan and threaten to draw Islamabad into the conflict, complicating any future role it may have as a mediator between the United States and Iran.