"Several senior Saudi commanders were killed and large groups of Saudi soldiers fled the battlefield after the Yemeni army's artillery heavily bombed Najran's airport and several Saudi cities along the border on Friday," Majid al-Samadi told FNA on Saturday.
He added that the deaths of the Saudi commanders came after the Yemeni army along with tribal fighters fired mortar rounds and 50 rockets into several military posts in border areas.
Al-Samadi also said that the Yemeni troops are making major advances in their fight against Saudi-backed terrorists in the province of Shabwah.
The Saudi military posts in the areas of Jabal al 'Amud, Khalaf al-Rami, al-Ain al-Harith, and al-Mustaqim were heavily targeted by Yemeni rockets and mortar rounds.
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The airstrikes have so far claimed the lives of more than 4,132 civilians, mostly women and children.
The Attacks came after the kingdom's military carried out artillery and rocket attacks against several border regions in Yemen on Friday, claiming the lives of dozens of people.
Riyadh's bombers also continued their aggression against Yemen on Saturday and targeted residential areas in Sana'a.
Yesterday UN special envoy Ismail Ould Cheikh Ahmed flew in to Sana'a for talks with political parties in the war-ravaged country.
"All Yemeni parties must return to dialogue," he said, quoted by sabanews.net upon his arrival at Sana'a airport.
A Saudi-led coalition launched an air war in Yemen on March 26 aimed at restoring the authority of Abd-Rabbu Mansour Hadi, who has sought refuge in Saudi Arabia.
Meanwhile, heavy fighting erupted in southern Yemen near Aden airport when Saudi backed militia attacked Houthi revolutionary.
Saudi-led forces also made four air strikes on a military base near the airport, a source in the southern militia said.
Aden is Yemen's commercial hub. Its airport has been closed since fighting began but its port provides sporadic access for desperately needed humanitarian aid to enter the country.
Houthis and Allied forces are concentrated around Aden's districts of Khor Maksar, Crater and Moalla.
According to media reports, the Russian consulate general was damaged after the kingdom's fighter jets pounded various areas in Khormaksar, Aden.
This was the second time the consulate office was struck by the Saudi air force after a similar incident on April 1.
Saudi Arabia has been bombing Yemen in the last 66 days.
The airstrikes have so far claimed the lives of more than 4,132 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.
Thousands of residential buildings have been destroyed, and hundreds of civil and public facilities were reduced to rubble as a result of the bombardments by Saudi warplanes on the Yemeni cities and towns, the group said.
Saudi-led coalition warplanes intensified airstrikes against positions of Yemen's Shiite Houthi group in the capital Sanaa on Saturday.
The warplanes launched more than 20 rounds of air raids against Houthi targets at the Sanaa International Airport, adjacent al-Dailamy Airport, the headquarters of the air force base and the ammunition depots, security sources said.
Local residents said the fighting intensified in populated areas in Aden, Taiz, al-Bayda, al-Hodayda and Marib province.
On Friday, Saudi warplanes pounded residential areas in Sana'a and killed seven people.
Also, at least 12 civilians, including 6 kids, were killed on Friday after the Saudi jets hit residential areas in the province of Hajjah.