According to Group of Eminent International and Regional Experts on Yemen: "Violations of international law [...] Coalition air strikes have caused most of the documented civilian casualties. In the past three years, such air strikes have hit residential areas, markets, funerals, weddings, detention facilities, civilian boats and even medical facilities. [...] It also investigated the 20 December 2017 incident in the Bab Najran area of the Sa’dah Governorate in which three coalition air strikes hit a family home, killing at least 12 civilians, including at least 3 women and 3 children." ^[+]