The coalition intervened in March last year after Shiite Huthi rebels and allied forces loyal to former president Ali Abdullah Saleh overran Sanaa the previous September.
They later tightened their grip on power and forced President Abedrabbo Mansour Hadi to flee in February 2015.
Hadi is now based in Riyadh, as are members of his internationally recognised government who travel between Saudi Arabia and Yemen's temporary capital Aden in the south.
Medics there told AFP that 14 people were killed in coalition strikes which residents said hit a food factory in central Sanaa.
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Factory director Abdullah al-Aqel gave a higher toll of 16 dead and 10 wounded, and said all the victims were workers.
The Al-Aqel factory, which makes potato chips and is near a military equipment maintenance centre targeted in the raids, was hit during working hours, he said.
Huthi spokesman Mohammed Abdulsalam, writing on Facebook, accused the coalition of "committing heinous crimes" by targeting a food factory.
He also spoke of other strikes in the rebel strongholds of Saada, Hajja, and Ibb.