Suvendu Adhikari, the Leader of the Opposition in West Bengal, has alleged that anti-national activities are high in some areas of the State and blamed Chief Minister Mamata Banerjee for them. "There are some areas in Bengal where anti-national activities are high," Adhikari told reporters here on Saturday.

"In the last 2-3 months, many Bangladeshis, Rohingyas and extremists have been arrested by Assam Police and Jammu and Kashmir Police. There are 50-55 assembly constituencies and 30-35 police stations where the demography has changed... Mamata Banerjee is directly responsible for this. She has failed as a police minister (Home Minister) in Bengal," he added.