Chief of the Security Service of Ukraine (SBU) Valentyn Nalyvaichenko has said that on Friday all the leaders of the main directorate for battling corruption and organized crime of SBU Central Office were fired.

"I signed decrees and today, all heads of main directorates on battling corruption in SBU are dismissed. It's time to take responsibility," he said at a roundtable talk on battling corruption, which was held in Kyiv on Friday.