New Delhi, May 29 -- The Crime Branch of Delhi Police detained four illegal Bangladeshi nationals from the Narela area of Delhi after a team from the Inter-State Cell (ISC), Crime Branch, Chanakyapuri carried out an operation.

"The team had been conducting surveillance and intelligence-gathering for over a month to identify undocumented migrants residing in vulnerable areas," said an official statement from Delhi police.

Deputy Commissioner of Police, Crime Branch, Harsh Indora stated that the detained individuals were identified as Hafijul (19), Mominul (21), Shamim (22), and Inamul (38), who are allegedly from the Rangpur district in Bangladesh.

The police launched this operation based on multiple intelligence inputs and reports indi...