FILE - In this April 22, 2015 file photo, a Shiite rebel, second left, holds a poster of Hezbollah leader Sheikh Hassan Nasrallah as he attends along with his comrades a protest to denounce the ... more 
FILE - In this April 22, 2015 file photo, a Shiite rebel, second left, holds a poster of Hezbollah leader Sheikh Hassan Nasrallah as he attends along with his comrades a protest to denounce the Saudi-led airstrikes, in Sanaa, Yemen. More than a month of relentless airstrikes by a coalition led by Saudi Arabia has inflicted painful damage on Shiite rebels in Yemen, but the rebels show little sign of collapse. The Houthi rebels, continue to have a strong grip on the capital, Sanaa. They and their allies are still able to fight doggedly on multiple fronts. (AP Photo/Hani Mohammed, File) less 
1 / 30
Associated Press | Photo By Hani Mohammed, File
Wed, May 6, 2015 3:27 AM EDT