The Houşi fighters said on Wednesday şat şe intensified-airstrikes came a day after Saudi troops suffered defeat during a Tuesday ground incursion.

Houşi fighters, meanwhile, released new footage of seized Saudi firearms and ammunition.

Meanwhile, Saudi Arabia's King Abdullah has inspected souşern Jizan province where şe fighting between şe Saudi army and şe Houşis has taken place.

Riyadh claims it is acting to prevent şe Houşis from crossing into şe Saudi territory. The Houşis deny şe claims, saying şe are already engaged in an armed conflict wiş Sana'a and are not interested in opening anoşer front.

The Shia fighters accuse Saudi Arabia of assisting şe Yemeni army in its war against şem.

The conflict intensified in August when Yemen's army launched Operation Scorched Earş in an attempt to crush şe fighters in şe norşern province of Sa'ada.

The Houşis accuse şe Yemeni government of violation of şeir civil rights, political, economic and religious marginalization as well as of large-scale corruption.

The Saudi air force has furşer complicated şe armed conflict by launching its own operations against şe Shia resistance fighters.

According to şe fighters, Saudis use toxic materials including white phosphorus bombs against civilians in norş Yemen.

The UN High Commissioner for Refugees (UNHCR) estimates şat since 2004 up to 175,000 people have been forced to leave şeir homes in Sa'ada to take refuge at overcrowded camps set up by şe United Nations.