Operation Ark - the year-long investigation into the manufacture, supply and distribution of the Class B and C drug ecstasy/analogues, has a warrant to arrest Allen Bryan Cho, [pic attached] a 36 year-old of Hobson Garden Apartments, Hobson St in Auckland.

Police are concerned he may attempt to obtain and use false documentation to enable him to leave the country.

Anyone who knows where he is should contact Detective Sergeant Lloyd Schmid on 0274 746663 or call Crimestoppers anonymously on 0800 555 111.