LONDON (AP) - British Airways plc (BA) is increasing its fuel surcharge on long-haul flights for the second time this year because of recent oil price rises.BA said Friday that it will raise the fee by 10 pounds (around $16) per flight from Friday.That means passengers will pay a surcharge of between £85 and £145 depending on the class of cabin and the length of the flight.Surcharges on BA’s short-haul flights will be unchanged.The company last raised the long-haul fee in February. An earlier rise in December was the first in more than two years.Political unrest in the Middle East has pushed Brent crude oil well above $100 a barrel.