Trump’s warning escalates his administration’s new campaign of air strikes targeting the Iran-backed rebels in Yemen.
If Tehran is not careful it will wake up to find all its proxies have had their wings clipped - then they become a liability, instead of an asset.
The relative calm of a ceasefire between Israel and Hamas came to an abrupt end on Tuesday, when Israel launched dozens of attacks on targets across the Gaza Strip.
Why has Trump targeted the Houthis afresh, and how do they manage to retain their attack capabilities? What are the group's ties with Iran, China, and Russia?
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