India, March 16 -- Mangaluru Police have made Karnataka's largest-ever drug bust, seizing over 37 kg of MDMA worth Rs.75 crore and arresting two South African nationals in Bengaluru, officials said on Sunday.

During a press briefing, Mangaluru Police Commissioner Anupam Agarwal revealed that the breakthrough stemmed from an arrest made six months ago, news agency PTI reported.

In September, police nabbed Haider Ali in Pumpwell, Mangaluru, and recovered 15 grams of MDMA from him.

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Further investigations led them to a Nigerian national, Peter, who was caught in Bengaluru with MDMA valued at Rs.6 crore, the report added.

Expanding their probe,...