“During the first Gulf War in 1991, Pakistan’s prime minister, Nawaz Sharif, dispatched Pakistani troops to Saudi Arabia, where they became a part of the U.S.-led coalition confronting Saddam Hussein. At the time, the decision was unpopular at home, with criticism coming not just from the political opposition but also the then sitting army chief.”
Source: Saudi Request on Yemen Sparks Crisis in Pakistan | Al Jazeera America