Fresh from their shock 4-1 win at Champions League holders Chelsea last week, Thomas Frank's side overwhelmed another side with European ambitions, Bryan Mbeumo opening the scoring in the second half before top scorer Ivan Toney doubled the lead.

Brentford struck first after quick-thinking following a throw-in as Toney slipped the ball into the path of French forward Mbeumo, who slotted into the net with a first-time finish in the 48th minute.

Mbeumo repaid the favour by crossing for Toney to head home from close range in the 64th and the Frenchman could have added another goal but sent a volley from inside the area fizzing over the crossbar.

Brentford's lead was rarely threatened by a lethargic West Ham side and they comfortably saw out the win to climb to 13th in the table on 36 points, 12 clear of the relegation zone.

Frank's side lost seven games out of eight before turning the tide with a 3-1 win at Norwich City in early March and their was a euphoric mood around the stadium as the players went over to the fans behind the goal to celebrate.

"When you are a newly promoted side, with the lowest budget, you have to celebrate every win," Frank told a news conference.

"This was the first game in the Premier League where we controlled it from the first minute to the 90th, winning 2-0 against a very good side in West Ham who are fighting for the top four and the Europa League is very pleasing."

The result was a further blow to West Ham's hopes of finishing in the top four as they were left sixth on 51 points, six behind fourth-placed Tottenham.

Their best hope of qualifying for the Champions League now looks to be by winning the Europa League, although they had an injury setback heading into their quarter-final second leg with Olympique Lyonnais on Thursday when defender Kurt Zouma was taken off with an ankle injury.

"I don't have any complaints, we weren't at it from the start," West Ham manager David Moyes said.

"There are mitigating circumstances, we had a tough game on Thursday and the Thursday-Sunday schedule is not ideal. The most part has been good but today felt like one too many."

(Reporting by Richard Martin, editing by Ed Osmond)

By Richard Martin