(Reuters) – President Volodymyr Zelenskiy pledged on Monday to take whatever measures were needed for the smooth operation of Ukrainian enterprises after the detention of a prominent banker caused an uproar in the business community. In his nightly video address, Zelenskiy said he had held “difficult” talks with prominent businessmen and was resolved to iron out the serious problems business people were confronting. “The discussion was not easy. There are serious issues. There are indeed difficulties,” Zelenskiy said. “I have familiarised myself with all the details. And I have requested the n…