Following the *Stockholm Agreement, reached in Sweden on 13 December 2018, between the Government of Yemen and the Houthis under the auspices of the Special Envoy of the Secretary-General for Yemen, the Security Council in its resolution 2451 authorized the Secretary-General to deploy an advance team to support the immediate implementation of the Hudaydah governorate-wide ceasefire and a mutual redeployment of forces from the city of Hudaydah and the ports of Hudaydah, Salif and Ras Isa (Hudaydah Agreement). The Security Council also mandated the United Nations to chair the Redeployment Coordination Committee (RCC) established to oversee the ceasefire and the redeployment of forces.

An advance team of UN personnel arrived in Hudaydah city on 22 December 2018 and commenced the provision of UN support for the implementation of the Hudaydah Agreement. On 16 January 2019, the Security Council unanimously adopted resolution 2452 authorizing the establishment of a new Special Political Mission, the United Nations Mission to support the Hudaydah Agreement (UNMHA). The Mission brings together a variety of personnel, including military, police and civilian staff, from around the world to deliver on its mandate, with a focus on providing support to the functioning of the RCC and related mechanisms as part of monitoring the ceasefire.