The US Senate acquitted Donald Trump on Saturday in his second impeachment trial in a year, with fellow Republicans blocking conviction over the former president's role in the deadly assault by his supporters on the US Capitol.

The Senate vote of 57-43 fell short of the two-thirds majority needed to convict Trump on a charge of incitement of insurrection after a five-day trial in the same building ransacked by his followers on Jan 6 shortly after they heard him deliver an incendiary speech...