Flights will be banned for a week, as government tries to curb spread of variants, protect vaccination campaign.
Army says coordinated twin assaults also left 18 troops wounded, with some 30 assailants killed in military response.
Decision comes as Israel announces embassy opening in Abu Dhabi months after controversial normalisation of ties.
Nearly 7,000 people forced from their homes and some 130,000 hectares of crops destroyed by heavy downpours and floods.
Houthi rebels, Saudi-backed gov’t resume fresh UN-backed negotiations in Amman months after huge prisoner exchange.
Strict coronavirus restrictions have hit vital border trade in southeast Tunisia hard, triggering an exodus to Europe.