"If you want to know what Putin thinks about now, and Americans certainly have this opportunity, [it is necessary] to maintain a dialogue and certainly know what Putin thinks. This is the best way. But now the United States is not keeping such a dialogue open."
Halonen reminded that the European Union has been familiar with crises similar to the current situation in Ukraine for many years.
"Maybe we have not learned anything from the Yugoslav crisis," she said.
"Finland, Europe, as well as Americans and many others do not know how to respond to unusual military conflicts. In other words [how to react] when an uncomfortable incident happens somewhere, which is aggravating and expanding, then weapons appear, after some time external intervention and suddenly a situation, which is not based on agreements, arises."