India, Oct. 18 -- Yemen's Houthi rebels stormed the United Nations compound in the capital Sanaa and detained staff on Saturday in the latest attack against humanitarian workers in the country.

The incident is the latest in a long-running Houthi crackdown against the UN and other international organisations working in the country. The rebel group accuses the world body of "spying" for the US and Israel, "displaying political bias" and failing to condemn Israel's military actions.

According to the spokesperson for the UN Resident Coordinator for Yemen, all the staff in the compound are safe and accounted for, and they have contacted their families.

"We can confirm that there has been an unauthorised entry by the security members of Ansa...