The Saudi kingdom and its coalition declared a war against Yemen on March 26, 2015. The coalition members included: Saudi, UAE, USA, Qatar, Bahrain, Kuwait, Jordan, Egypt, Morocco, and Sudan. Britain, France and several other countries have provided their support to the alliance through the sale of weapons and intelligence services in addition to their support in the UN Security Council.
Below is a summary of the destruction reported by the Legal Center for Rights and Development - a Yemeni local NGO - for 560 days since the war started. You can visit their website for more info http://www.lcrdye.org/eng