 Kazhegeldin attempted to return to Kazakhstan to attend his father-in-law funeral and to campaign for the 1999 Kazakh legislative election.At the request of the Prosecutor General of Kazakhstan, he was detained by the Russian police in the Sheremetyevo Airport on 10 September 1999 and was held in custody for 9 hours until Kazhegeldin complained of heart pains.He was taken to a Kremlin hospital for treatment and was held there for 4 days until Kazhegeldin was transferred to a Barvikha Sanatorium on 15 September.