Reuters | Oil prices inch down but gain support from Iran concerns Reuters LONDON (Reuters) - Oil prices edged lower on Friday as the dollar rose, but Brent was still headed for its third week of gains amid supply concerns should the United States reimpose sanctions on Iran. Oil pumps are seen at sunset outside Vaudoy-en-Brie ... Oil Steadies as Traders Weigh Impact of Korea Summit, Iran Deal Coming Iran Sanctions Decision By Trump Looms Large Over Oil Market US Oil Exports Are Only Heading Higher |