A record haul of a billion dollars’ worth of cocaine and heroin was unloaded by the US Coast Guard in California on Monday. <br /><br /> The drugs were seized by the US authorities over a four month mission off the Pacific coast of Mexico and Central America. <br /><br /> Thirty suspicious vessels were raided including two submarines. <br /><br /> The narcotics were moved to secret location where they will eventually be destroyed, officials said.
