A UNM member Khatia Dekanoidze posted on her Facebook page that the opposition's unity is now vital.
"Maintaining unity and support from the International Community is vitally important for us now.
These two strong levers will help us achieve our objective. We all must remember our unity is now vital," she wrote.
Georgian ex-president Mikheil Saakashvili said earlier today that agreeing on a plebiscite is not recommended, with this statement stirring controversy among the opposition members.