March 19 (UPI) -- Global oil and gas prices surged on Thursday after Israel attacked Iranian sections of the South Pars field, the largest natural gas field in the world, and retaliatory strikes by Tehran on Qatar's state-owned Ras Laffan Industrial City oil-processing facility. Brent crude, the oil price benchmark, was trading $7.67 a barrel higher in mid-morning trade in London at $115.21, after spiking as high as $119.11 earlier on. The wholesale price of natural gas was up over 20% at $2.15