Ukrainian presidential adviser Mykhailo Podolyak told Reuters on Wednesday that holding more talks with Russia was under discussion and that a "substantial agenda" was needed.
Asked about the date for a second round of talks since Russia invaded its neighbour last week, Podolyak said: "It's under discussion for now. A substantial agenda is needed."
(Reporting by Pavel Polityuk, Writing by Gabriela Baczynska; editing by John Stonestreet)