The Indian Coast Guard has recovered nine iron drums containing some chemical in the Arabian Sea close to Mumbai. <br/><br/>During a routine air surveillance, the Coast Guard personnel in a helicopter yesterday sighted few iron drums floating in the sea, south west of Korlai Fort near Kashid Beach, which is about 50 kilometres from Mumbai. <br/><br/>A Coast Guard release issued in Mumbai today said prima facie investigation revealed that the drums contained some kind of hydrocarbon product. Further probe is on.