Car bombs killed or injured at least 50 people near mosques and the headquarters of Yemen’s dominant Houthi group in Sanaa on Wednesday, in coordinated attacks claimed by Islamic State.

The four blasts rocked the capital as Saudi-led forces conducted more air strikes against Houthi military bases across Yemen and Houthi delegates attending peace talks in Switzerland reported the first tentative progress on the second day of a U.N.-sponsored push for a Ramadan truce.

A security official said at least 50 people were killed or wounded in the attacks on the Hashush mosque, the Kibsi mosque, the al-Qubah al-Khadra mosque and the political bureau of the Ansarullah movement of the Houthis, who belong to the Zaydi sect of Shi’ite Islam. […]