Nepalese police arrested Siam Hossain in Kathmandu on Thursday (30 May), according to Prothom Alo reports quoting diplomatic sources.
It has been learnt that diplomatic efforts are already underway on behalf of the Bangladesh mission in Nepal to bring back Siam to the country.
Akteruzzaman Shahin, the mastermind behind the killing according to the police, also went to Kathmandu from Dhaka through Delhi on May 20. Later he moved to Dubai. From there, he flew back to the US.
Detained Siam is from Borhanuddin in Bhola. He is one of Shahin's assistants, sources relevant to the investigation said.
Meanwhile, Shimul Bhuiyan, his nephew Tanvir Bhuiyan and Shilasti Rahman have been on a five-day remand again at the end of an eight-day remand Friday.
Dhaka's Chief Metropolitan Magistrate (CMM) Court's magistrate Shanto Islam Mallik passed the order on Friday (May 31).
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