Key overnight events

– The U.S. special representative returns from moscow after ceasefire negotiations.

– In the russian city of Tuapse, a local oil refinery is on fire after a UAV attack.

– A U.S. federal court has ordered the Trump administration to reinstate dismissed civil servants.

– The U.S. is introducing additional restrictions on russia's oil, gas, and banking sectors.

– The co-founder of Netflix has made a generous donation to aid Ukraine.