Security sources said the blast appeared to be at a structure used to store fuel. (Shutterstock) Updated 14 sec ago Reuters July 12, 2018 23:55 1170 CAIRO: Egypt’s civil aviation minister said on Thursday that an explosion hit two fuel tanks outside the perimeter of Cairo’s airport, but air traffic was not affected. A security source had said earlier that air movement was temporarily halted after the blast, which was heard across parts of the Egyptian capital.