Dhaka, May 21 -- Dr Maleka University College student Samiur Rahman Khan Alvi was hacked to death in Dhaka's Jigatola area following an altercation over drug use, police said on Wednesday.

The mystery behind Alvi's killing was unearthed after Hazaribagh thana police arrested four suspects raiding Dhanmondi and Mohamadpur areas on Tuesday.

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The arrestees were identified as Md Raihan (20), Habibur Rahman Munna (26), Samoti Pal (23), and Kawsar (21).

Alvi was an honours third-year student of Dr Maleka University College and a resident of Maneswar Road under Hazaribagh Police Station.

Briefing reporters at the DMP Media Centre in Minto Road on Wednesday noon, Deputy Commissioner (Ram...