Five people were killed when the Houthi militia struck the Maashiq Palace in Aden, a Yemeni minister said.

The Saudi military has expensive equipment, but the missiles and drones used by the Yemeni militia are difficult to detect and stop.

© Fayez Nureldine/Agence France-Presse — Getty Images

The employee, now fired, had said he advised government agencies in Saudi Arabia. He was also listed as a partner at a venture firm with a Saudi prince.

© Aaron Wojack for The New York Times