Karachi (News Desk) With the retreat of the Saudi-backed Yemeni forces, American and Saudi weapons fell into the hands of the Houthis. American and Saudi-made weapons have become a means of increasing the military capacity of the Houthis, the possibility of getting valuable information, the avoidance of military assistance by Washington and European countries, the growing regional influence of Iran and the Houthis, Saudi Arabia is facing a new challenge.