KOCHI: There was an attempt to smuggle gold in liquid form at the airport. Tried to smuggle 2.5 kilograms of gold mixed with mango juice. Gold worth Rs one crore was seized. The customs arrested a passenger, who is a native of Kannur in connection with the incident. He reached from Dubai this morning. This is for the first time in the country, the attempt to smuggle gold in liquid form mixed with juice, was seized.