Washington DC shooting: Trump calls shooting of national guard members ‘an act of terror’, vows new scrutiny of immigrants – as it happened

This live blog is now closed.

• Two West Virginia national guard members shot in Washington DC

• Trump news at a glance: president orders more troops to Washington DC after shooting of national guard members

Bloomberg's scoop showing how Trump aide Steve Witkoff coached the Kremlin on the best way to get into Trump's good graces is extraordinary for what it tells us about Witkoff's dubious loyalties, and the Kremlin's potential influence over US negotiation efforts. But equally interesting is the leaked material itself and where it may have come from.

The story covers two intercepted phone calls: one between Witkoff and top Kremlin aide Yuri Ushakov, and another between Ushakov and Kirill Dmitriev, who has been deeply involved in negotiations with the Trump White House.