Ranchi, June 4 (IANS) Central Bureau of Investigation (CBI) officials Friday raided seven places in Dhanbad and Ranchi in connection with irregularities in the sale of coal to traders, informed sources said.

The raids were conducted at the residences of coal traders and officials of the Central Coalfields Limited (CCL), the sources added.

No official statement has so far been issued by the CBI in connection with the raids.