Four persons were today detained here in connection with the gang rape of a 72-year-old nun in Ranaghat in West Bengal's Nadia district, police said.
Four persons, all Bangladeshi nationals, were detained from Motinagar locality by Punjab Police, DCP Naveen Singla said.
Kolkata Police has been informed about their detention, he said, adding police was working on further leads.
Earlier, two people were arrested from Mumbai and Habra (North 24 Paraganas) in this connection. Both were identified as Bangladeshi nationals
The septuagenarian nun was gang raped at a convent by unknown people at Ranaghat in West Bengal on March 14.
