FILE – In this Monday, March 30, 2015 file photo provided by the Saudi Press Agency (SPA), Royal Saudi Land Forces and units of Special Forces of the Pakistani army take part in a joint military exercise called “Al-Samsam 5” in Shamrakh field, north of Baha region, southwest Saudi Arabia. A Saudi-led coalition targeting Shiite rebels in Yemen has asked Pakistan to contribute soldiers, Pakistan’s Defense Minister Khawaja Muhammad Asif said Monday, April 6, 2015, raising the possibility of a ground offensive against the rebels, known as Houthis. (AP Photo/SPA)
