UPDATE - Dec. 25, 9 p.m. ET:
On Wednesday, it was reported that all but one member of the Arctic 30 had their criminal charges dropped.
"The final chapter in the legal ordeal of the Arctic 30 began today," Greenpeace said in a written statement.
On Monday Russia announced it would drop its criminal charges against activist Anthony Perrett from Wales.
All of the activists, plus two of the journalists involved, had been previously freed on bail.
"We know that getting those stamps would be the best Christmas present for the Arctic 30 and we hope it can happen quickly, but until such time as they do, we still cannot say when they will leave."