Saudi-led coalition air strikes killed at least 10 civilians in a battleground town southeast of Yemen's third city Taez on Saturday, the rebels, a medic and a loyalist official said.
Aircraft of the Saudi-led coalition hit the UNESCO-listed Old City of Yemen's rebel-held capital Sanaa on Tuesday after the rebels fired a missile at Saudi Arabia overnight.
A group that campaigns for stricter arms sales controls said on Monday that Western powers were breaking international law by selling vast amounts of weapons to Saudi Arabia that are being used to hit civilians in Yemen.
Six children have been killed or maimed daily in Yemen since Saudi-led air strikes began a year ago, the UN said Tuesday, warning the conflict was taking a horrifying toll on the country's youth.
A Saudi-led coalition air strike on a market northeast of the rebel-held Yemeni capital Sanaa killed at least 30 rebels and civilians, witnesses said.