Sanaa, Yemen (CNN) At least 78 civilians were killed and more than 100 injured when three Saudi airstrikes attacked a market in northern Yemen, three medical officials in Hajjah told CNN. The Yemeni Defense Ministry gave a higher death toll; it said up to 107 were killed and dozens injured.

Two of the airstrikes attacked the center of Khamees Market in Mustaba'a, Hajjah, during the busiest time of the day. The third hit near its gates. The market is one of the largest in the northern region of Yemen.

"Dozens of bodies were completely burned, and dozens others were unrecognizable after bodies were splattered in pieces from the airstrikes," said Ali AlSharafi, a local shop owner who survived the attacks.

Among the killed were seven children. Graphic footage of their bodies was broadcast in a video released by AlMasirah TV, the outlet for Houthi rebels.

Ahmed bin Hassan al-Asiri, Saudi spokesman of Coalition Forces and the adviser at the Saudi Defense Minister's Office, said on his Facebook page that the pictures circulating on social media are not necessarily an indication that the shelling that targeted the market is a Saudi airstrike.

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