Around 12 % of all seaborn trade passes through the su s canal, which means dozens of container ships and oil tankers have been rerouted. Officials in charge of the suez canal have said they don't know when they'll be able to free the mass of containership that's block the pathway. T f ts energ editor David shephard says the ripple effects could get more serious the longer it takes to dislodge the ship. Ortensa alii is the f t's mergerson acquisitions correspondent. If anyone knows where bill whang is we'd like to know as well.