Ukrainian President Petro Poroshenko has said that the National Anti-Corruption Bureau of Ukraine is already investigating more than 50 cases into corruption violations, which involve a total of UAH 1 billion.

"Only two weeks ago, the National Anti-Corruption Bureau detectives have registered in the unified registry of pre-trial investigations first criminal offense, and are already investigating more than 50 cases, which involve a total of more than UAH 1 billion," Poroshenko said during the oath taking ceremony by the Bureau's special forces in Kyiv on Tuesday.