'Bribe for visas': CBI arrests Karti Chidambaram's close aide

The Central Bureau of Investigation (CBI) on Wednesday arrested a close associate of Congress leader Karti P Chidambaram in the ongoing visa corruption case. The arrest comes a day after CBI teams conducted coordinated search operations at 10 locations in multiple cities in the country, including residences of the Chidambarams in Chennai and Delhi.