Oil prices were on course to post a second weekly decline as supply concerns eased, after US President Donald Trump signalled that he is not keen to restart the Iran war. But further attacks on ships in the region mean prices remain volatile. Brent, the benchmark for two thirds of the world's oil, was down 0.24 per cent at $95.59 a barrel at 8.53am UAE time. West Texas Intermediate, the gauge that tracks US crude, was trading 0.54 per cent lower at $88.26 a barrel.