China is in talks with Iran to allow crude oil and Qatari liquefied natural gas vessels safe passage through the Strait of Hormuz as the US-Israeli war on Tehran intensifies, three diplomatic sources told Reuters on Thursday.The war, which entered its sixth day on Thursday, has left the critical shipping passageway all but shut, with countries around the world cut off from a fifth of global oil and liquefied natural gas supplies.China, which has friendly relations with Iran and relies heavily