CNN  —  The United States has carried out a second consecutive night of strikes against Houthi targets in Yemen, a US defense official said Sunday. Details of the types of weapons, targets or locations of the strikes were not immediately available, though there were reports of explosions in the Amran and Saada governorates, north of the capital of Sanaa, where the US has carried out strikes in the past. On Saturday, the US used fighter jets to carry out a series of strikes against Houthi sites