Mumbai: The Central Bureau of Investigation (CBI) has arrested a proclaimed offender and Nigerian national in connection with an ongoing investigation of a 2012 case related to email fraud.

The CBI received a tip-off regarding the movement of accused after which he was detained at the Mumbai airport while attempting to flee India, agency officials said on Wednesday. The arrested accused has been identified as Adia Okoh alias Odia Francis Ehizogie.

The CBI had initially registered the case on 27.01.2012 on charges of cheating under the relevant sections of the Indian Penal Code (IPC) and Information Technology Act, against unknown persons.

"The investigation was initiated based on a complaint. It was alleged that the complainant had received a fraudulent email on 17.06.2011, falsely claiming that his email ID had won GBP 7,50,000 from the Orthodox Church Foundation. The fraudsters sought personal details and attempted to deceive the complainant into transferring Rs. 16,700 to a State Bank of India account. In the said case one accused Osin Daniel was arrested but another accused Adia Okoh had evaded arrest," said a CBI official.

Chargesheet was filed against Adia Okoh and Osin Daniel alias Ogbebor Emmanuel Richard on 13.12.2015.l, while accused Adia Okoh was declared a proclaimed offender by the Chief Metropolitan Magistrate, Tis Hazari Court, New Delhi, on 14.10.2016. Look Out Circulars (LOCs) were also issued against him.

The CBI received a tip-off regarding the movement of accused Adia Okoh after which he was detained at the Mumbai airport while attempting to flee India. "The arrested accused is being brought to Delhi on transit remand and will be produced before the Rouse Avenue Courts, New Delhi, for further legal proceedings," the official said.