Today, Tuesday, the official Saudi TV quoted the Saudi-led coalition in Yemen as saying that it had carried out 15 air strikes in Marib, Al-Jawf and Sana'a in the past 24 hours, including a "secret" site belonging to experts in the Iranian Revolutionary Guards.

The coalition added that the Iranian site that it destroyed was used to collect and store ballistic missiles inside the capital, Sanaa.

The coalition stressed that its operations are in accordance with international humanitarian law and its customary rules, and urged civilians not to gather or approach potentially targeted sites.

Yemeni local sources said that the coalition raids targeted the vicinity of the airport and the camp of the First Division.

On the other hand, Al-Masirah TV, affiliated with the Houthi group, said that 3 air strikes launched by the Saudi-led coalition targeted Sanaa airport, while a fourth strike targeted a park.

The raids on Sanaa airport are the second of their kind within two days, as the Houthis announced on Sunday that the coalition bombed with 3 similar raids the airport, whose flights are limited to UN and international organizations and humanitarian flights, especially in delivering aid.

And on Sunday, Saudi media quoted the coalition as saying that Sanaa Airport is a military base for experts of the Revolutionary Guards and Hezbollah, accusing the Houthis of "using sites with legal immunity to carry out cross-border attacks," stressing that it will take legal measures to drop immunity if necessary to protect civilians.

The Houthis have repeatedly launched cross-border attacks on the kingdom using drones and missiles since the coalition intervened in Yemen in March 2015, after the Houthi group expelled the internationally recognized government from the capital.

The conflict is largely seen as a proxy war between Saudi Arabia and Iran.

The Houthis are intensifying their attack to control Marib, the last stronghold of the government in northern Yemen, and are intensifying their attacks in other areas of the country.

The bloody conflict in Yemen caused the death and injury of hundreds of thousands, as well as the displacement of tens of thousands of people, and the spread of epidemics and diseases.