A rocket hit a clinic supported by international medical group Medecins Sans Frontieres (MSF) in northern Yemen on Sunday, killing three people, the group said.

"A rocket landed in #MSF supported health center in Razeh, #Saada today. 3 killed 10 injured #Saada," the group wrote on its Twitter account. It did not say who it believed fired the rocket.

MSF said Saudi-led air strikes hit another of its health facilities elsewhere in the province in October, wrecking the building and lightly wounding two staff members.