MELBOURNE (Reuters) – Australia’s Fortescue Metals Group said on Thursday it will work with Chinese authorities to resolve a delay that has held up customs clearance of some iron ore cargoes at a port in the country’s north. Reuters reported on Tuesday quoting sources that two iron ore cargoes from the world’s No.4 supplier were facing unusual customs delays at north China’s Caofeidian port due to inspections for solid waste. Responding to a question on whether Fortescue was expecting further customs checks, its director of sales, marketing and shipping, Vivienne Tieu, said shipments to the po…