Two large oil tankers, including one known to have carried oil from Iran and Venezuela, were on fire near Singapore early on Friday, according to Singaporean authorities which said that all crew on both vessels are accounted for. The Maritime and Port Authority of Singapore (MPA) said it was alerted in the early morning local time on Friday to a fire onboard both a Singapore-flagged tanker, Hafnia Nile, and a São Tomé and Príncipe-flagged tanker, Ceres I, about 55 km (34 miles) northeast of Pedra Branca within Singapore’s…