The main reactions to the attack on Riyadh airport (Saudi Arabia)

At least 12 people were killed and 309 injured in an attack on Riyadh airport on Saturday, the deadliest in the kingdom in more than ten years.

The Saudi-led military coalition in support of Yemen's internationally recognized government has accused pro-Iranian Houthi fighters, denouncing "a war crime" to which it will respond "firmly".

Here are the main global reactions on Sunday:

- "Not acceptable," according to Trump

"What happened in Saudi Arabia is not acceptable," Donald Trump told reporters on Saturday, indicating that he would speak with Crown Prince Mohammed bin Salman, the kingdom's de facto ruler.

- "Dangerous escalation" and "despicable act" for London

British Defence Secretary Wes Streeting denounced a "dangerous escalation" which "is part of an increasingly marked pattern of Houthis targeting civilian sites in Saudi Arabia".

"This is a totally despicable act and it is one of the reasons why the United Kingdom supports Saudi Arabia (...)," he added.

Berlin condemns a "terrorist act"

German Foreign Minister Johann Wadephul "strongly condemned" the attack on X, which he described as "a terrorist act against Saudi Arabia and civil aviation".

- "Spiral of violence" and "appalling act of terror" according to the EU

The President of the European Commission, Ursula von der Leyen, denounced a "dangerous escalation", expressing concern about "attacks carried out by Iranian proxy groups" which "are dragging the region into a spiral of violence".

"They destabilize infrastructure essential to global transport and energy supply, causing shockwaves around the world."

For her part, the EU's foreign policy chief, Kaja Kallas, condemned a "horrific act of terror".

- The UN chief is "deeply shocked"

"I am deeply shocked and strongly condemn the deadly attack carried out on Saturday by the Houthis against King Khalid International Airport in Riyadh (...) which reportedly killed 12 people and injured hundreds of civilians," said UN Secretary-General Antonio Guterres.

- Emirates: "Support for all measures" taken by Riyadh

The United Arab Emirates denounced a "flagrant violation of the sovereignty" of the kingdom and expressed "their full solidarity" with Saudi Arabia and "their support for all measures" aimed at protecting the security of the kingdom, according to a statement from the Ministry of Foreign Affairs.

- "Blatant disregard" for civilian lives, according to Cairo

The Egyptian Ministry of Foreign Affairs "deeply condemns these shameless attacks and irresponsible actions which constitute a flagrant violation of international law and a blatant disregard for the safety of civilians of various nationalities."

An Egyptian flight attendant was killed in the attack.

- In Amman, "solidarity with our Saudi brothers"

In a message of condolence to King Salman of Saudi Arabia, King Abdullah II expressed Jordan's "total solidarity" with his "Saudi brothers" and his "support for the measures they are taking to protect their security and safeguard their sovereignty."

One Jordanian man was killed and four others were injured in the attack.

Baghdad is worried about a "threat to regional stability"

The Iraqi government stated that the attack endangered "regional security and stability" and called "for a complete cessation of military operations".

- Islamabad condemns a "heinous" attack

Pakistani Prime Minister Shebaz Sharif strongly condemned the "heinous" attack. "Attacks targeting civilians and critical infrastructure are totally unacceptable and pose a grave threat to regional peace and stability," Sharif told X.