Fierce clashes in Taiz's Jahmaliah district left at least five pro-government soldiers dead, in an operation against militants suspected to be behind the murder of an ICRC employee.
Saudi Arabia's interior ministry has banned the use of drones in the kingdom, after a security breach at a royal palace sparked fears of a coup attempt.
Houthi rebels have seized over a dozen oil vessels, Saudi Arabia's ambassador to Yemen has claimed.
Saudi forces on Saturday shot down an unidentified toy drone that hovered over a Riyadh neighbourhood home to royal palaces, prompting a security alarm in the capital.
A Lebanese Red Cross worker has been shot dead in in the southern Yemen city of Taiz.
Drones are "made in Iran" said the Saudi-backed Yemeni government, claiming that it was impossible to manufacture them locally.
The Saudi-led coalition waging an offensive against rebels in Yemen announced that it intercepted a missile fired by the Houthis over the southern city of Jizan on Thursday.
Around 16 people have been killed, including seven children, following airstrikes by a Saudi-led military coalition in Yemen.
A rare moment of joy for Yemen as the war-battered country celebrates its biggest football achievement ever, writes Uri Levy.
A "massive" blaze destroyed large quantities of aid in Yemen's Hodeida, the rebel-run Saba news agency reported.