Visiting Iranian Foreign Minister, Mohammad Javad Zarif, center, shakes hand with Pakistani lawmakers after a joint press conference with Pakistan's Prime Minister's Adviser on Foreign Affairs Sartaj Aziz in Islamabad, Pakistan, April 8, 2015. Zarif is on a two-day visit to Pakistan to discuss the conflict in Yemen, where a Saudi-led air campaign supported by Pakistan is battling Iranian-supported Shiite rebels. AP