The Houthi forces have been attacking Israel since its war began in Gaza.
Israel has carried out airstrikes in Yemen, and Houthi forces there have fired missiles at Tel Aviv.
Hezbollah's attack in Lebanon and the ouster of Bashar al-Assad in Syria have made the Houthis' main ally, Iran, more vulnerable.
So how will all this affect Yemen?
Presenter: James Bays
Guests:
Farea Al Muslimi – researcher at Chatham House's Middle East and North Africa programme
Nabeel Khoury – former US ambassador and deputy chief of mission in Yemen
Sultan Barakat – professor of public policy at Hamad Bin Khalifa University