New Delhi, Sep 3 - The Delhi government Thursday declared a two-day mourning in memory of Andhra Pradesh Chief Minister Y.S. Rajasekhara Reddy, who died in a helicopter crash.

'The national flag will fly at half mast on Thursday and Friday and there would be no official ceremony on these two days. This decision has been taken in view of the sad demise of the Andhra Pradesh chief minister,' said an official statement here.

Reddy, his special secretary, chief security officer and two pilots died Wednesday when the helicopter they were travelling in crashed in Nallamalla forests in Kurnool district of Andhra Pradesh. Their bodies were found Thursday.