The Irons improved once Payet, pictured with John O'Sullivan, arrived on the pitch, taking the game to the League Two sideWest Ham boss Slaven Bilic knows the pressure is on as bubbles float around the dugout before kick-off against AccringtonJordan Clark makes a forward pass as Accrington apply some early pressure to their Premier League hostsWest Ham's Edmilson Fernandes applies the squeeze to Accrington's Scott Brown during the first half of their EFL Cup tieSofiane Feghouli turns away from the attention of two Accrington players as he tries to get West Ham going forwardArgentine forward Jonathan Calleri was played behind the lone striker but could not find a past Stanley in the first halfThe stands at the London Stadium look rather bare for the visit of League Two Accrington in the EFL Cup third roundWest Ham's Turkish winger Gokhan Tore gets into a grappling match with Stanley's John O'Sullivan near the touchlineHavard Nordtveit manages to squeeze a pass past Billy Kee as the League Two side try to apply the pressure to the IronsFormer Real Madrid man Alvaro Arbeloa (left) made his West Ham debut in the EFL Cup tie, here Matthew Pearson dives inA bandaged up Pearson completes a clearance for Accrington with West Ham's Simone Zaza in the close attendanceAccrington boss John Coleman points the way for his side as West Ham manager Bilic watches on in the technical areaAccrington goalkeeper Elliot Parish beats Calleri to the ball with away defender Omar Beckles in close attendanceZaza was pulling out all the stops to try and find a breakthrough for West Ham, here the Italian attempts an overhead kickFeghouli takes matters into his hands as he strikes at goal in the first half of EFL third action at the London StadiumWith the scores level at the break Dimitri Payet was introduced to bring some life to the home side's attackThe arrival of Payet at half-time was accompanied by Manuel Lanzini, here the Argentinian fires at the Stanley goalWest Ham stopper Darren Randoplh gets his hand to Scott McConville's effort as the ball hits the post and goes clearLanzini tries another shot as deep into the second half West Ham still could not find a way through the League Two sideAccrington carried a threat of their own, here substitute Chris Eagles looks disappointed after missing a chance