The Yemeni forces hit the Saudi military bases in Dhahran with Scud and Najm al-Saqeb (Striking Star) missiles on Sunday.
Local sources informed that the Yemeni forces have also attacked several Saudi military bases in Jizan.
Saudi warplanes repeatedly pounded residential areas in the Northern Yemeni province of Sa’ada on Sunday, killing and injuring large groups of people.
According to local sources, the kingdom’s military planes hit Razeh district in Sa’ada province with more than 15 rockets targeting and destroying civilian buildings early on Sunday, leaving scores of people dead and injured.
There has yet been no report on the number of casualties or extent of the damage to properties, but local security officials said that scores of people had been killed or injured in the attacks.
Elsewhere, three civilians sustained serious injures after the Saudi airstrikes bombed Hajjah province.
Saudi Arabia has been bombing Yemen in the last 95 days to bring its ally, fugitive president Mansour Hadi, back to power.
The airstrikes have so far claimed the lives of more than 4,736 civilians, mostly women and children.
According to a recent report by Freedom House Foundation, most of the victims of the deadly Al Saud campaign are civilians, including a large number of women and children.