Biden prepares for State of the Union as US collects Chinese balloon debris – as it happened

• Officials claim balloon entered US three times under Trump
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Former US vice president Mike Pence was expected to visit South Carolina today, as the signals grow louder that he'll make his own run for the White House in 2024 as a rival to the former boss he's essentially fallen out with, Donald Trump. But that visit has been postponed.

Fresh reports say that Pence has decided to delay his trip to the crucial primary state because his oldest daughter, Charlotte Pence Bond, has gone into labor in California. The ex-veep and his wife, Karen Pence, headed for California instead and will reschedule the trip to South Carolina.