Armed Yemeni tribesmen have penetrated Saudi Arabia territory and taken over military posts.
The Yemeni have gotten into the Saudi territory from their province Sa'ada and taken control of four military posts in Najran and Jazan, according to the report of Lebanese Al-Manar channel.
They have also managed to detain some of the Saudi troops.
The Saudi officials abstain from any comments.
The Saudi military campaign have killed more than one thousand Yemeni citizens so far. Different areas of Sa'ada were hit by 50 rockets overnight. Earlier, Hajjah Province came under attack.
On Monday, dozens of people were reportedly killed or injured in airstrikes on the southern province of Ibb.
Elsewhere in the southern Aden Province, an airport was hit more than 150 times. The Saudi army uses forbidden cluster munition.
International rights groups warne of a huge humanitarian catastrophe if the relief operations come to a halt.
Saudi Arabia started its military aggression against Yemen without a UN mandate with intention to undermine the Houthi Ansarullah movement and to restore power to the country's fugitive former President Abd Rabbuh Mansur Hadi, who is a staunch ally of Riyadh.
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