Titagarh: Seven person were injured in a blast that rocked Titagarh in North 24 Pargana on Saturday night. The blast took place at the Titagarh bus stand. The injured have been rushed to hospital, while one was admitted at the RG Kar Medical College in a critical condition. Police launched an investigation in the matter but no arrest has been made yet. No report of any casualty has been reported so far.