India, July 23 -- West Bengal Chief Minister Mamata Banerjee on Tuesday hit out at the Bharatiya Janata Party (BJP) after the Gurugram administration in Haryana detained 52 Bengali-speaking migrant workers on suspicion that they were illegal immigrants from Bangladesh and sought background verification reports from the Bengal government.

"Today, a notice from Gurgaon reached the district magistrates and police superintendents of Malda, South Dinajpur, North Dinajpur, Nadia, Murshidabad, Cooch Behar and North 24 Parganas. The Gurugram administration has detained 52 people from these districts and has asked our DMs and SPs to verify their backgrounds and send reports," Banerjee said at a press conference at Nabanna, the state secretariat....