Oil prices edged lower on Friday after rising to a one-week high on Thursday. Brent crude fell 87 cents, or 0. 82 percent, to US$105. 73 a barrel at 02: 12 GMT, while West Texas Intermediate declined US$1. 56, or 1. 65 percent, to US$93. 05 a barrel. Brent settled 3. 4 percent higher on Thursday, while West. .



