Targeted by the BJP over the killing of eight people in Bengal's Birbhum, Chief Minister Mamata Banerjee today said "such incidents have happened in Gujarat and Rajasthan too" and assured action "in a fair manner". She also said she would visit the area tomorrow. Eight people were burnt alive as their homes were set on fire by a mob near Rampurhat town of Birbhum district early Tuesday. The killings were suspected to be in retaliation of a Trinamool leader's murder the previous day.