Volodymyr Zelenskyy has sacked the secretary of the National Security and Defence Council of Ukraine (RNBO).
Oleksiy Danilov was replaced with Oleksandr Lytvynenko, the head of the Foreign Intelligence Service.
Mr Danilov was the mayor of Luhansk between 1994 and 1997, before he headed up the Luhansk regional state administration from 2005 to 2006.
Mr Lytvynenko has led the Foreign Intelligence Service since July 2021.
