PERTH/ BEIJING, June 8 : Oil prices jumped more than $4 on Monday, with investors spooked by fresh Israeli strikes on Iran as well as renewed attacks on Lebanon a day earlier. Brent crude futures rose $4.42 or 4.47 per cent to $97.15 a barrel as of 0609 GMT, while U.S. crude futures were up $4.07 or 4.50 per