In this handout photo released by Imperial Household Agency of Japan on April 17, 2009 shows Emperor Akihito (R) walks with Pakistani President Asif Ali Zardari at the Imperial Palace in Tokyo. International donors pledged more than five billion dollars April 17 to stabilise poverty-stricken Pakistan, seen as a frontline state in the battle against Islamic extremism. AFP PHOTO/Imperial Household Agency of Japan/HO RESTRICTED TO EDITORIAL USE GETTY OUT