A special team of the Delhi police brought the four to the city yesterday and they were handed over to the state ATS.
The suspects are Asad Khan Jamshed Alikhan alias Zahid alias Kaka alias Mohammed (33), Imran Khan Wajid Khan Pathan (32), Firoz alias Hamza Abdul Hameed Sayyed (38), and Irfan Landage (30).
Investigation officer ACP Samad Shaikh submitted before the court that police custody was required to investigate whether the suspects were linked to IM.
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