A source within Yemen's Ansar Allah movement, widely known as the Houthis, has told Newsweek the group possesses new weapons capable of enforcing a newly announced "aerial siege" against Israel, whose military said it's on high alert to thwart all emerging threats to the nation's skies following a weekend attack on its busiest airport.

Yemen's Houthi rebels said late on Sunday they would impose a "comprehensive" aerial blockade on Israel by repeatedly targeting its airports, in response to Israel expanding its operations in Gaza. The Iran-aligned Houthis claimed responsibility for a missile strike on Sunday that hit near Israel's Ben Gurion Airport,

The Iran-aligned Houthis claimed responsibility for a missile strike on Sunday that hit near Israel’s Ben Gurion Airport, the latest in a string of attacks, saying they are acting in solidarity with Palestinians in Gaza. Israeli Prime Minister Benjamin Netanyahu vowed to retaliate.