<span style="color: #222222;">The Central Bureau of Investigation, CBI today arrested seven people in ongoing investigation of two separate cases related to violence and other offences in West Bengal.<br />''</span><br />'' <span style="color: #222222;">Yesterday four people were arrested.<br />''</span><br />'' <span style="color: #222222;">The CBI had registered these cases on the orders of Kolkata High Court and taken over the investigation of the cases earlier registered by the state police.<br />''</span><br />'' <span style="color: #222222;">The Agency said that investigation is going on in these cases.</span><br />