A security official in the Yemeni capital, Sanaa, said that the explosion, which was heard in large parts of the city of Sanaa, at dawn on Saturday, was caused by the explosion of a ballistic missile during its assembly in a special workshop belonging to the Houthi militia near the international airport of Sanaa.

The Yemeni news website "Al-Masdr Online" quoted the security source, who spoke anonymously, as saying: "A ballistic missile exploded while being assembled inside a hangar that includes a workshop for the production and assembly of ballistic missiles and drones. Northeast of Sana'a International Airport".