Ward doubled the visitors' advantage in the 39th minute with a blistering left-foot strike from Jack Cork's lofted pass and Vokes added a third before half-time, heading in Defour's cross.
Alvaro Morata nearly inspired a comeback as a second-half substitute, scoring before setting up a late strike for David Luiz, a goal that came after Cesc Fabregas' removal for a second yellow had seen Chelsea reduced to nine men.
Facebook allows Moments-like app to be launched in China
Facebook has always been keen to find a way into China, where the social network has been banned since 2009. It was unclear if China's various internet regulators were aware of the app's existence, the Times said.
Britos was standing nearly on the line before nudging in the loose ball after Simon Mignolet pushed it onto the bar.
Liverpool were denied a winning start as Miguel Britos claimed a contentious stoppage-time leveller to earn Watford a 3-3 draw at Vicarage Road. It's obvious because the linesman is on the line.
"For us, he is very important, to find a good physical condition too, and to adapt himself to our philosophy, it is important. We were the better team, we should have won".
Ministry: Serbia not importing eggs from Netherlands
All of the food businesses concerned have reportedly been contacted and any remaining products have been removed from sale . Products will be withdrawn due to the chemical's unauthorized status, rather than a specific safety concern.
"For the transfer market the club is trying to do their best, I am not anxious, I am ready to fight with these players".
Rooney crowned his first appearance for formative club Everton since 2004 by notching the only goal against Stoke, heading in Dominic Calvert-Lewin's cross for his 199th Premier League goal.
After the opening game of the season on Friday produced seven goals and a late victor for Arsenal, who beat Leicester City 4-3, the two teams at Vicarage Road served up more of the same entertainment for a worldwide television audience - including some poor defending.
Keith Ellison Says Kim Jong Un 'Acting More Responsible' Than Trump
Beijing's appeal came as North Korea said it could reduce the US mainland to ashes "at any moment". "That was one of those I wish I'd not said ", Ellison said.
Egyptian defender Ahmed Hegazi, on loan to West Bromwich Albion from Al Ahly, scored on his debut in the 1-0 win at home to Bournemouth.