West Texas Intermediate crude fell for a second day as the dollar strengthened against a basket of other major currencies and Egypt’s interim leader pushed ahead with a timeline for a new government.

Prices dropped as much as 0.8 percent as the Dollar Index climbed to a three-year high. Egypt’s parliamentary and presidential elections, unveiled in a 33-article constitutional declaration late yesterday, came as the fatal shooting of more than 50 Islamists by the army threatened the transition. About 10 percent of Middle East crude moves through the Suez Canal and the Suez-Mediterranean Pipeline, both controlled by Egypt.

WTI for August delivery slid 26 cents, or 0.3 percent, to $102.88 a barrel at 10:47 a.m. on the New York Mercantile Exchange. The volume of all futures traded was 21 percent above the 100-day average for the time of day.

Brent for August settlement fell 7 cents to $107.36 a barrel on the London-based ICE Futures Europe exchange. Volume was 5.9 percent below the 100-day average.