Trump news at a glance: president claims people on ‘the left’ are under investigation after Kirk shooting

Utah governor Spencer Cox says suspect Tyler Robinson not cooperating with authorities. Key Trump administration stories from Sunday 14 September

As officials continue to investigate the motives of Tyler Robinson - the 22-year-old accused of shooting conservative activist Charlie Kirk - many Republicans have been quick to lash out at the political left.

Allies of Donald Trump have accused liberals of fomenting anti-conservative vitriol that would encourage violence - even as the president and his allies have often invoked violent imagery against their opponents.