The Republican Hospital of the Hajjah province received 46 injured victims of the strikes, the SANA news agency reported, citing a local medical official.
The hospital declared a state of emergency late on Sunday due to large number of casualties, the publication added.
Since March 2015, the Saudi-led coalition of mostly Persian Gulf countries has been carrying out airstrikes against the Houthis at Hadi's request. Human rights organizations have criticized the Saudi-led coalition for engaging in indiscriminate bombings during which thousands of civilians have been killed. Millions of Yemenis remain in need of immediate humanitarian aid, according to the United Nations.