Yemen has been under attack for three years from a Saudi-led coalition backed by British and US arms sales, as well as military training and even British military personnel.
The blockade of ports and airports is undoubtedly a war crime, effectively collective punishment using mass hunger as a weapon.
This horrific third anniversary was marked by Yemeni activists and supporters, carrying a huge Yemeni flag and holding a dignified silent protest opposite Downing Street.
