Strikes show the heavy toll since fighting between the Houthis and the Saudi-backed government reignited in August, with civilians paying a heavy price.
A 500-pound bomb supplied by the United States appears to have been used in the Oct. 18 strike, according to video footage examined by The New York Times.
The Egyptians will commit forces for defensive purposes only, officials have said, as the kingdom exchanges increasingly deadly strikes with the Iranian-backed militia in Yemen.