MOSCOW — Supporters of the imprisoned Russian opposition politician Alexei Navalny say they have had no contact with him for a week. Navalny was not connected by video to a court hearing in the city of Kovrov on Tuesday, his spokeswoman Kira Yarmysh wrote on the news service X, formerly Twitter. She added that an employee of the IK-6 detention centre had said that the prisoner had "left the ...