This afternoon, we start with the shooting at Robb Elementary in Uvalde, Texas - and the response from survivors and relatives of those killed in other mass shootings. Meanwhile, North Korea appears to be preparing for a nuclear weapon test, the US’s largest reservoir is at a record low, and UK Prime Minister Boris Johnson responds to a report on “Partygate.” Lastly, an update from Davos, where Ukraine is on everyone’s mind.

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