Yemen’s Houthi rebels have detained at least nine Yemeni UN employees, officials belonging to Yemen’s internationally recognized government said on Friday.

Others working for aid groups have also been detained, according to authorities.

What do we know about the detentions?

Yemeni officials told the Reuters news agency that three employees of the US-funded National Democratic Institute (NDI) and three employees of a local human rights group were detained alongside the UN staff.

The detained UN employees worked for the world body’s human rights office and the office for humanitarian affairs.

Houthi intelligence officers raided the staff members’ homes and offices, confiscating phones and computers, the officials said.