Rapid Action Battalion (RAB) members on Thursday raided the house of Haque Group Chairman Adam Tamizi Haque on Road No. 111 in Gulshan area of the capital.
RAB said that Tamizi Haque is threatening to commit suicide if he is arrested, according to security offciials who took part in the raid.
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A team of RAB-1 started raiding the house of Tamiji Haque around 9 pm. The operation was still going on after midnight on Thursday.
RAB's Law and Media Wing Director Commander Khandaker Al Main said that efforts were on to arrest Tamizi Haque.