Iran-US tensions ripples across world

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Iran vows revenge for a US strike on its top military general – we check in on what the reaction in the US has been with the BBC’s Jane O Brien in Washington, and an expert based in Riyadh to assess the wider impact across the Middle East. In the US, tech show CES kicks off again… and a cat that growls if you over-pet its ears is a favourite with attendees. And in LA, dormitory-style rooms with minimum privacy are a stepping stone away from homelessness - but do little to remedy the housing crisis, as we hear from Regan Morris in LA. (Image: Qaseem Soleimani on several TV screens. Photo by Majid Saeedi/ Getty Images)