SINGAPORE/NEW DELHI: Saudi Arabia has restarted operations at its East-West Pipeline and could resume exports from the Red Sea port of Yanbu later on Tuesday, three sources briefed on the matter said. The pipeline was pumping at a low rate, two of them said. State energy firm Saudi Aramco did not immediately respond to a request for comment. Drone attacks forced Saudi Arabia to shut its East-West Pipeline on September 13, halting crude loadings at the kingdom's Yanbu por