Rapid escalation in conflict. On 19 March, suicide bombings target two mosques in Sana’a, killing nearly 150 people and injuring 350 people. Houthi/Saleh forces advance south towards Taizz, Lahj and Aden. On 26 March, a Saudi-led military coalition begins air strikes on Houthi-affiliated targets. Fighting and air strikes escalate quickly across the country.

UN designates Yemen a “level-three” emergency – the highest level.

Air strikes hit Hudaydah port, destroying critical infrastructure at Yemen’s largest port. Before the crisis, Hudaydah port handled the majority of Yemen’s imports – essential to the flow of food, medicine and fuel into the country.

Formal ceasefire ends as peace talks conclude without result. Clashes and air strikes escalate across the country.

Sana’a airport is closed to commercial traffic. Only humanitarian flights are allowed.

The Ministry of Health announces a cholera outbreak. As of 25 October, 51 cases had been confirmed in nine governorates, and 1,148 suspected cases were being investigated.

Conflict intensifies in Al Mukha along the western coast leading to significant displacement.

Second wave of cholera outbreak in Yemen in 21 governorates

The government of Yemen GOY declared cholera as a national emergency.

After a missile is fired towards Riyadh, the SLC closes all Yemeni air, land and seaports. After concerted advocacy, the blockade is eased to allow humanitarian supplies to enter Red Sea ports.