Union Home Ministry has sought a detailed report from the West Bengal government over attacks on ED teams in the state last week. Sources in the Ministry informed this. The mob had attacked the officials during a raid at TMC leader Sheikh Sajahan's residence regarding the alleged ration distribution scam.<br />''<br />''ED has initiated the investigation into the PDS Scam based on FIRs registered by West Bengal Police. It said, various private persons were allegedly found in unauthorized possession of PDS ration and involved in bogus procurement of paddy. <br />