By Richard Martin LONDON (Reuters) – Brentford continued their resurgent form by beating West Ham United 2-0 at home in on Sunday to rack up a fourth win in five matches and take another step towards guaranteeing their Premier League survival. 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 F…