SYDNEY: Airline shares plunged on Monday (Mar 2), with Hong Kong's Cathay Pacific, Australia's Qantas Airways, Singapore Airlines and Japan Airlines down more than 5 per cent after the US and Israel launched weekend strikes on Iran, disrupting travel and sending oil prices surging. Global air travel remained in turmoil as the war in Iran forced the closure of key Middle Eastern hubs, including Dubai and Doha, for a third day, stranding tens of thousands of passengers worldwide. Oil prices