Bengaluru, Nov. 26 -- A Nigerian national was arrested on Sunday by a team from the central crime branch, police said on Tuesday, adding that the accused was subsequently produced before court on Monday and remanded to four-day police custody.

A batch of synthetic drugs worth Rs.23 crore, including 11.5 kilograms of MDMA crystals and 1,040 Ecstasy tablets.

The accused- identified as AGK Naigoo Okafor, 42- arrived in India on a business visa in 2017, said police, adding that he was living in a rented house within city limits even after his visa expired.

According to investigators, he sourced drugs from Delhi and stored them at his residence, supplying them to networks that extended across Karnataka, Chennai and Hyderabad. Police believe...