Israel has struck the Yemeni capital Sanaa and the northern province of al-Jawf, with the Houthi health ministry saying it killed 35 people and wounded 131 others.
The strikes are the latest in a series of attacks and counterstrikes between Israel and Houthi militants in Yemen, part of a spillover from the war in the Gaza Strip.
The Israeli military said it had struck military camps, the headquarters of the Houthi military "propaganda" department, and a fuel storage site.
The Houthis' military spokesperson denied in a statement later that Israel had targeted missile launchers.
"Its strikes targeted purely civilian targets," he said.
He added that the offices of two newspapers had been targeted and that journalists and passers-by had been killed or wounded in those attacks.
He gave no