He says people with information about the chairman’s location will be rewarded
The summit began on Apr 19 and ends on Apr 24.
The prime minister and her entourage will leave by a Biman Bangladesh Airlines flight at 10am Tuesday, according to her press wing.
Foreign Minister AH Mahmood Ali and 50 others including other officials and journalists will accompany her.
The summit will be attended by high-level delegations from 77 countries of Asian and African continents along with six international organisations - the United Nations, ASEAN, Asian Development Bank, African Union, Arab League and South Centre.
Sheikh Hasina will address both the summit and its plenary session on Apr 22.