Sanaa , Yemen ( CNN ) Deposed Yemeni President Abdu Rabu Mansour Hadi picked up support Monday from the Gulf Cooperation Council , with that regional group of six Arab states calling on the Yemeni people to support Hadi against Houthi militants who forced him from office . Hadi escaped from the capital , Sanaa , on Saturday after being under house arrest for a month following his resignation under pressure from Houthi rebels . After his escape , he released a statement declaring he is still President of Yemen , and calling all political decision made since September illegal and invalid . The statement from the Gulf Cooperation Council Monday echoed Hadi , with council members stressing that all procedures taken by the Houthi after their coup were invalid . According to two presidential aides , Hadi met Monday with an official Saudi delegation that informed him of Saudi Arabia 's recognition of him as the constitutional President of Yemen . Meanwhile the Gulf council -- whose member countries are the United Arab Emirates , Bahrain , Saudi Arabia , Oman , Qatar and Kuwait -- urged the U.N. Security Council to consider measures against the Houthis , and the council called on the Houthis to release Prime Minister Khalid Bahah along with government ministers who remain under Houthi arrest . A nephew of the President was kidnapped Sunday by Houthi rebels , two security officials in Ibb province told CNN . The nephew , Nasser Ahmed Mansour Hadi , was heading to the seaport province of Aden , where the President fled after escaping from house arrest . Tens of thousands of anti-Houthi protesters took to the streets Monday for the third continuous day in support of Hadi . On Sunday , Sanaa saw large demonstrations calling for an end to the militant occupation of the city , and urging Hadi to stand against the Houthis . `` The Houthis thought they could not be stopped , and it only took hours for them to fall in the eyes of the people . Yemen has a President and the people will stand with him to uproot the Houthi militants from Sanaa , '' Ali Al-Saedi , a protest organizer in Sanaa , told CNN . In Taiz , tens of thousands took to the streets to show support for the legitimacy of Hadi as President , and to condemn the continued Houthi takeover of the capital . They carried placards reading `` Out to militant rule , return of government institutions . '' Last month , Houthis attacked the presidential palace and ministerial Cabinet , forcing both the President and Prime Minister to resign . Houthi militants then put Hadi under house arrest . Since then , Houthis have failed to form a government or reach a deal with other political factions for the formation of a presidential council . The militants tightened their grip on power over the last month , but the House of Representatives has not met to accept Hadi 's resignation . Hours after Hadi fled Sanaa on Saturday , Houthi officials tried to force parliamentarians to meet immediately to accept his resignation , but their efforts failed . On Monday , a senior aide to Hadi said the ousted President sent a letter to Yemen 's head of Parliament asking that his resignation be withdrawn . The ruling General People 's Congress Party , headed by Yemen 's former President Ali Abdullah Saleh , which holds a majority of seats in Parliament , said it will not push for a Parliament vote to accept the resignation of Hadi . `` Hadi is the President of Yemen , since his resignation has yet to officially reach Parliament . Yemen is still led by a constitutional elected President , '' said Abdul Aziz Jubari , the secretary general of the independent Justice and Building Party . Houthis are Shiite Muslims who have long felt marginalized in the majority Sunni Muslim country . They had been at war with the central government for more than a decade , but their entry into Sanaa in September brought things to a head , sparking battles that left than 300 people dead before a ceasefire was agreed to that month . Houthis then pressured Hadi to step down last month after he refused to agree to certain political demands . The Houthis ' takeover of Sanaa stunned governments of Western nations , which pulled out diplomatic staff this month . Foreign evacuation continued in the Yemeni capital as Egypt evacuated all its Embassy staff and closed its Embassy on Monday morning . Earlier this month , the United States , along with most European and Gulf countries , suspended operations in their embassies in Yemen amid growing unrest . CNN 's Jason Hanna , Ed Payne , Ben Brumfield and Greg Botelho contributed to this report .
Aide : Abdu Rabu Mansour Hadi has sent a letter to Parliament withdrawing his resignation . Hadi was deposed from his post by Houthi rebels last month , but says he 's still President . Six member states of the Gulf Cooperation Council say they support Hadi .