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France has started deploying military assets in Saudi Arabia, a spokesperson for the French Foreign Ministry, Pascal Confavreux, confirmed in a press conference Thursday.

"You know that the Houthi attacks in Yemen and against Saudi Arabia threaten not only Saudi Arabia's security and the region's energy security, but you also know that the President announced on September 24th that France would support the defense of Saudi energy infrastructure, particularly the Yanbu East-West Corridor. And this support is currently being deployed," Confavreux said in a news conference.

French President Emmanuel Macron said last month that France would send troops and defense systems to Saudi Arabia to help protect the Red Sea port city of Yanbu, ‌‌a key hub for energy transport.

-ABC News' Desiree Adib

Five people were killed, and 16 were injured in the Houthi attack that targeted the al-Maashiq Presidential Palace in Yemen’s Aden, according to the Yemeni health minister.

The Houthis responded saying Saudi Arabian warplanes launched 65 airstrikes and missile attacks in the last 24 hours, targeting civilian sites in the capital, Sana’a, and the governorates of Lahj, Hudaydah, Taiz, Amran, Saada and Marib.

"The attacks were carried out by F-15 and Typhoon aircraft that took off from the Khamis Mushait and Taif air bases, while the missile attacks originated from Najran. This brings the total number of Saudi aggression airstrikes and missile attacks against our country since the escalation began to 2,388," the Houthis said in a statement.

Saudi-led coalition spokesperson, Major General Turki Al-Maliki said Houthi attack against Saudi Arabia are regional security threats to peace and said they must stop all their attacks.

King Khalid Airport was attacked 20 times since Oct. 1, according to Al-Maliki. At least 17 people were killed and 333 were injured between Oct. 7 to Oct. 11, according to Al-Maliki.

At least two people were killed and others were injured after ballistic missiles struck the Yemeni presidential palace in Aden, the seat of Yemen's internationally recognized government, according to the minister of information and a government spokesperson.

Prime Minister Shaya al-Zindani and government ministers were unharmed after four ballistic missiles hit the palace, according to the minister and spokesperson.

The Houthis responded saying any Saudi military presence is a legitimate target.

"The bombing of the Saudi enemy's military operations headquarters in Aden comes within the context of the declared equation of striking Saudi mobilizations wherever they are, and considering any Saudi enemy military presence a legitimate target for our forces wherever they are," Yahya Saree, a spokesperson for the Yemeni Armed Forces, said Thursday.